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Machine Keys

Machine keys are essential mechanical components designed to secure rotating elements such as gears, pulleys, and couplings to shafts, ensuring efficient torque transmission and synchronous rotation. Available in various types, including parallel keys, Woodruff keys, taper keys, and Gib head keys, they cater to diverse industrial applications. Made from robust materials like carbon steel (S45C) and stainless steel (SS304), machine keys provide durability and reliability under varying load conditions. By fitting precisely into keyways, these keys play a critical role in maintaining mechanical integrity and performance, adhering to international standards like DIN 6885 and JIS B1301 for consistency and compatibility across different machinery and equipment

Shape

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Brand
Product Series
CAD
Days to Ship
Shape
Environmentally friendly
Width(mm)
Characteristics/Applications
Overall Length(mm)
Material
Hole Machining
Cleaning Method
  • Recommendation

Parallel Keys Straight / Round at One End / Round at Both End

  • Recommendation

Parallel Keys With Center Counterbored Hole

  • On Sale Till 31/03/2025

Parallel Keys

    Parallel Keys - With Counterbore

      [Clean & Pack] Parallel Key

        Parallel Keys With Tapped Hole

          Parallel Keys Semi-Finished

            Woodruff Key

              Parallel Keys - With Counterbores and Tapped Hole

                Parallel Keys - With Tapped Hole

                  Parallel Keys  With Counterbores and Tapped Hole

                    Parallel Keys - Blank

                      New JIS Parallel Machine Key

                        SEIKI Machine Key, Standard Series (JIS B 1301)

                          SEIKI Machine Key, Free Length Series (JIS B 1301)

                            Tapered Machine Keys with Gib Head

                              Parallel Keys - Stainless Steel

                              • On Sale Till 31/03/2025

                              New JIS Double Round End Key

                                Key material (S45C)

                                  Square Machine Keys

                                  • On Sale Till 31/03/2025

                                  New JIS Single Round End Key

                                    Parallel Keys - With Tapped Counterbore Hole

                                      Both Ends Round

                                      • On Sale Till 31/03/2025

                                      New JIS Parallel Key

                                        Parallel Key Both Round Seiki Seisakusho

                                          Parallel Key Stock, Former JIS

                                            Parallel Key Stock, New JIS

                                              Parallel Keys With Tapped Counterbored Hole

                                                [Clean & Pack]Parallel Keys - Blank Type, Stainless Steel

                                                  SEIKI Machine Key, Key Material

                                                  • On Sale Till 31/03/2025

                                                  Old JIS Parallel Key

                                                    Parallel key both round type (S45C)

                                                      Rounded Key

                                                        Both Ends Square

                                                          SEIKI Machine Key Series with Release Tap (JIS B 1301)

                                                            Single Round Key, Made by SEIKI Manufacturing

                                                              Parallel Key Seiki Seisakusho

                                                                Parallel Key Both Round Himeno Precision Works, Inc.

                                                                  Old JIS Head Gradient Key

                                                                    New JIS Headed Gradient Key, by Himeno Seisakusho

                                                                      Standard Size Key

                                                                        Single-End Rounded Machine Key

                                                                        Brand

                                                                        MISUMI

                                                                        MiSUMi Economy80

                                                                        MISUMI

                                                                        MiSUMi Economy80

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        MiSUMi Economy73

                                                                        MISUMI

                                                                        MiSUMi Economy69

                                                                        OHKITA

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        MiSUMi Economy76

                                                                        MISUMI

                                                                        HIMENO PRECISION

                                                                        SEIKI

                                                                        SEIKI

                                                                        MISUMI

                                                                        MISUMI

                                                                        HIMENO PRECISION

                                                                        TRUSCO NAKAYAMA

                                                                        OHKITA

                                                                        HIMENO PRECISION

                                                                        MISUMI

                                                                        NANKAI INDUSTRY

                                                                        HIMENO PRECISION

                                                                        SUNCO

                                                                        OHKITA

                                                                        OHKITA

                                                                        MISUMI

                                                                        MiSUMi Economy80

                                                                        MISUMI

                                                                        SEIKI

                                                                        HIMENO PRECISION

                                                                        TRUSCO NAKAYAMA

                                                                        OHKITA

                                                                        NANKAI INDUSTRY

                                                                        SEIKI

                                                                        SUNCO

                                                                        SUNCO

                                                                        SUNCO

                                                                        SUNCO

                                                                        SUNCO

                                                                        SEIKI

                                                                        OHKITA

                                                                        Product Series

                                                                        Parallel Keys Straight / Round at One End / Round at Both End

                                                                        Parallel Keys With Center Counterbored Hole

                                                                        Parallel Keys

                                                                        Parallel Keys - With Counterbore

                                                                        [Clean & Pack] Parallel Key

                                                                        Parallel Keys With Tapped Hole

                                                                        Parallel Keys Semi-Finished

                                                                        Woodruff Key

                                                                        Parallel Keys - With Counterbores and Tapped Hole

                                                                        Parallel Keys - With Tapped Hole

                                                                        Parallel Keys With Counterbores and Tapped Hole

                                                                        Parallel Keys - Blank

                                                                        New JIS Parallel Machine Key【1-100 Pieces Per Package】

                                                                        SEIKI Machine Key, Standard Series (JIS B 1301)

                                                                        SEIKI Machine Key, Free Length Series (JIS B 1301)

                                                                        Tapered Machine Keys with Gib Head

                                                                        Parallel Keys - Stainless Steel

                                                                        New JIS Double Round End Key【1-100 Pieces Per Package】

                                                                        Key material (S45C)

                                                                        Square Machine Keys

                                                                        New JIS Single Round End Key【1-500 Pieces Per Package】

                                                                        Parallel Keys - With Tapped Counterbore Hole

                                                                        Both Ends Round【1-150 Pieces Per Package】

                                                                        New JIS Parallel Key

                                                                        Parallel Key Both Round Seiki Seisakusho

                                                                        Parallel Key Stock, Former JIS

                                                                        Parallel Key Stock, New JIS

                                                                        Parallel Keys With Tapped Counterbored Hole

                                                                        [Clean & Pack]Parallel Keys - Blank Type, Stainless Steel

                                                                        SEIKI Machine Key, Key Material

                                                                        Old JIS Parallel Key

                                                                        Parallel key both round type (S45C)【5-10 Pieces Per Package】

                                                                        Rounded Key

                                                                        Both Ends Square【1-100 Pieces Per Package】

                                                                        SEIKI Machine Key Series with Release Tap (JIS B 1301)

                                                                        Single Round Key, Made by SEIKI Manufacturing

                                                                        Parallel Key Seiki Seisakusho

                                                                        Parallel Key Both Round Himeno Precision Works, Inc.

                                                                        Old JIS Head Gradient Key

                                                                        New JIS Headed Gradient Key, by Himeno Seisakusho

                                                                        Standard Size Key【1-2 Pieces Per Package】

                                                                        Single-End Rounded Machine Key

                                                                        CAD
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        • 2D / 3D
                                                                        Days to Ship Same day or more Same day or more Same day or more 5 Day(s) or more 7 Day(s) or more Same day or more Same day or more 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more Same day or more Same day or more 4 Day(s) or more Same day or more 4 Day(s) or more 6 Day(s) or more Same day or more Same day or more 8 Day(s) 8 Day(s) or more Same day or more 5 Day(s) or more 4 Day(s) or more Same day or more 7 Day(s) or more 8 Day(s) or more 7 Day(s) or more 5 Day(s) 7 Day(s) or more Same day or more Same day or more 4 Day(s) or more 8 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 13 Day(s) or more 9 Day(s) or more
                                                                        ShapeParallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight)Woodruff KeysParallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Tapered Machine KeysParallel Keys (Straight)Parallel Keys (Round at Both Ends)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Round at One End)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Round at Both Ends)Parallel Keys (Straight)Parallel Keys (Round at Both Ends)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Round at Both Ends)Parallel Keys (Round at Both Ends)Parallel Keys (Straight)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Round at One End)Parallel Keys (Straight)Parallel Keys (Round at Both Ends)Tapered Machine KeysTapered Machine KeysParallel Keys (Straight)Parallel Keys (Round at One End)
                                                                        Environmentally friendly----RoHS Compliant (10 Substances)-----------------------RoHS Compliant (10 Substances)-------------
                                                                        Width(mm)2 ~ 1282 ~ 328 ~ 182 ~ 1855 ~ 123 ~ 108 ~ 185 ~ 1883 ~ 183 ~ 252 ~ 142 ~ 254 ~ 382 ~ 144 ~ 283 ~ 363 ~ 363 ~ 288 ~ 184 ~ 142 ~ 564 ~ 208 ~ 503 ~ 56122 ~ 142 ~ 144 ~ 503 ~ 123 ~ 364 ~ 145 ~ 123 ~ 553 ~ 515 ~ 20123 ~ 223 ~ 32
                                                                        Characteristics/Applications----Clean Washed-----------------------Clean Washed-------------
                                                                        Overall Length(mm)8 ~ 80205 ~ 30015 ~ 1106 ~ 11020300-35 ~ 11010 ~ 1207030010 ~ 1505 ~ 1005 ~ 12034 ~ 3233508 ~ 1503006 ~ 1508 ~ 15015 ~ 1108 ~ 15030012 ~ 150--253503503008 ~ 806 ~ 15010 ~ 8010 ~ 1008 ~ 20147 ~ 15110 ~ 15090300 ~ 3506 ~ 100
                                                                        MaterialSteelSteelSteel / Stainless SteelSteel / Stainless SteelStainless SteelSteelSteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelSteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelStainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteelStainless SteelStainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteelSteel / Stainless SteelStainless SteelSteelSteel / Stainless SteelSteelSteelSteel / Stainless SteelSteel / Stainless Steel
                                                                        Hole MachiningStraightCounterbored HoleStraightCounterbored HoleStraightCenter TappedStraightStraightCenter Tapped + CounterboredCenter TappedCounterbored + TappedStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightCounterbored + TappedStraightStraightStraightStraightStraightCounterbored + TappedStraightStraightStraightStraightStraightStraightCenter TappedStraightStraightStraightStraightStraightStraightStraight
                                                                        Cleaning Method----Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning-----------------------Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning-------------

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