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Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 19/1/2025 to 6:00 (SGT) 20/1/2025. We apologize for the inconvenience.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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SUNCO Unified screw, Inch screw（Thread Nominal (inch)：5/16）

Detailed Shape

Standard
Pan Head
Flat Head
Button Head Cap

21 items

: 30; 45; 60

On Sale Till 31/03/2025

Hex Socket Head Cap Screws UNC

Hex Socket Head Cap Screws UNC【1-50 Pieces Per Package】

SUNCO

[Materials] Equivalent to SCM SUS304
[Surface treatment] None, black iron oxide coating

CAD ：: 2D / 3D

Standard Price:	SGD 1.67-
	Special Price
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Hex Socket Head Cap Screws UNF

Hex Socket Head Cap Screws UNF【1-50 Pieces Per Package】

SUNCO

[Materials] Equivalent to SCM SUS304
[Surface treatment] None, black iron oxide coating

CAD ：: 2D / 3D

Standard Price:	SGD 1.67-
	Special Price
Days to Ship:	4 Day(s) or more

Hex Socket Flat Head Cap Screws UNC

Hex Socket Flat Head Cap Screws UNC【1-50 Pieces Per Package】

SUNCO

[Materials] Equivalent to SCM SUS304
[Surface treatment] None, black iron oxide coating

CAD ：: 2D / 3D

Standard Price:	SGD 2.10-
Days to Ship:	4 Day(s) or more

Phillips Flat Head Screw【1-100 Pieces Per Package】

SUNCO

[Detailed shape] Disc
[Thread ridge type] Unified coarse threads UNC
[Mounting hole dimensions] Phillips
[Materials] Equivalent to SUS304
[Surface treatment] None
[Tip shape] Flat End
[Application] Standard
[Nominal Thread (inch)] NO. 2 NO. 3 NO. 4 NO. 5 NO. 6 NO. 8 NO. 10 NO. 12 1/4 5/16 3/8 Length L (inches) 1/8 3/16 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1 1/8 1 1/4 1 1/2 1 3/4 2 2 1/4 2 1/2 2 3/4 3 3 1/2 4
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.

CAD ：

2D / 3D

Days to Ship: 4 Day(s) or more
UNC Flat Unified Screw【1-100 Pieces Per Package】

SUNCO

[Detailed Shape] Disc
[Thread Type] Unified Coarse UNC
[Mounting Hole Shape] Phillips
[Materials] Stainless Steel
[Surface Treatment] None
[Tip Shape] Flat End
[Application] Standard
[Thread (inch)] NO. 2 NO. 3 NO. 4 NO. 5 NO. 6 NO. 8 NO. 10 NO. 12 1/4 5/16 3/8 Length L(inch) 1/8 3/16 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1 1/8 1 1/4 1 1/2 1 3/4 2 2 1/4 2 1/2 2 3/4 3 3 1/2 4
[Sales unit] Individual (Available for Purchase as 1pc), Box and Pkg.

Days to Ship: 4 Day(s) or more

Days to Ship:	4 Day(s) or more

Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Phillips Pan Head Screw UNC

Phillips Pan Head Screw UNC【1-50 Pieces Per Package】

SUNCO

[Materials] Equivalent to SWCH, Equivalent to SUS304
[Surface treatment] None, non-chrome black, trivalent chromate, non-chrome plating white, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, trivalent stainless steel coating

CAD ：: 2D / 3D

Standard Price:	SGD 7.65-
	Special Price
Days to Ship:	4 Day(s) or more

Hex Bolt, Fully Threaded, Whitworth

Hex Bolt, Fully Threaded, Whitworth【1-300 Pieces Per Package】

SUNCO

An inch screw with a 55° angle ridge thread, currently used in construction, electrical, water supply, and air conditioning related industry sectors in Japan.

Volume Discount

Standard Price:	SGD 0.27-
Days to Ship:	4 Day(s) or more

Hex Socket Button Head Cap Screw UNC

SUNCO

[Materials] Equivalent to SCM SUS304
[Surface treatment] None, black iron oxide coating

CAD ：: 2D / 3D

Standard Price:	SGD 1.75-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Coarse Unified Hex Bolt, G-5

Coarse Unified Hex Bolt, G-5【1-400 Pieces Per Package】

SUNCO

[Materials] SWCH equivalent, SUS304 equivalent
[Surface treatment] None, black iron oxide coating, trivalent white, bright chromate plating, chromate plating, chromate plating.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 0.48-
	Special Price
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Whitworth Hex Bolt

Whitworth Hex Bolt【1-100 Pieces Per Package】

SUNCO

· Detailed shape: Standard
· Thread ridge type: Whitworth coarse
· Mounting hole dimensions: Hex Socket
· Surface treatment: None
· Tip shape: Flat end
· Thread (inch): 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 3/4, 3/16
· Length (mm): 10, 12, 15, 16, 18, 20, 22, 25, 30, 32, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125
· Material: Stainless steel
· Sales unit: Low quantity (available for purchase from 1pc), box and package.

Standard Price:	SGD 0.67-
	Special Price
Days to Ship:	4 Day(s) or more

Fine Unified Hex Bolt, G-5

Fine Unified Hex Bolt, G-5【1-400 Pieces Per Package】

SUNCO

[Materials] Equivalent to SWCH, Equivalent to SUS304
[Surface treatment] None, black iron oxide coating, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating

CAD ：: 2D / 3D

Standard Price:	SGD 0.53-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Hex Socket Flat Head Cap Screws UNF

Hex Socket Flat Head Cap Screws UNF【1-50 Pieces Per Package】

SUNCO

[Materials] Equivalent to SCM SUS304
[Surface treatment] None, black iron oxide coating

CAD ：: 2D / 3D

Standard Price:	SGD 2.80-
	Special Price
Days to Ship:	4 Day(s) or more

Hex Socket Set Screw Cup Point UNC (Unified Coarse Threads)

Hex Socket Set Screw Cup Point UNC (Unified Coarse Threads)【1-50 Pieces Per Package】

SUNCO

[Materials] Equivalent to SCM SUS304
[Surface treatment] None, black iron oxide coating

CAD ：: 2D / 3D

Standard Price:	SGD 0.93-
Days to Ship:	4 Day(s) or more

Whitworth Slotted Round Screw

Whitworth Slotted Round Screw【1-300 Pieces Per Package】

SUNCO

[Materials] Steel, Stainless steel Bras
[Surface treatment] None, Trivalent chromate non-chrome plating white, Trivalent white, Bright chromate plating, Chromate plating, Nickel plating

Volume Discount

Standard Price:	SGD 1.72-
Days to Ship:	4 Day(s) or more

Hex Bolts Fully Threaded JIS

Hex Bolts Fully Threaded JIS【1-300 Pieces Per Package】

SUNCO

[Detailed shape] Standard
[Thread ridge type] Whitworth Coarse
[Mounting hole dimensions] None
[Materials] Steel
[Tip shape] Flat End
[Application] Standard
[Thread (inch)] 5/16 3/8 1/2
[Length L (mm)] 16 18 20 25 30 32 35 38 45 50 55 60 65 70 75 90 100 140 150
[Surface treatment] None, trivalent white, black chromate plating, molten zinc plating, bright chromate plating, chromate plating, green chromate, black chromate, nickel plating, chrome plating, Parkerized
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.

Standard Price:	SGD 0.42-
Days to Ship:	4 Day(s) or more

Hex Socket Button Head Cap Screw UNF

Hex Socket Button Head Cap Screw UNF【1-50 Pieces Per Package】

SUNCO

[Materials] Equivalent to SCM SUS304
[Surface treatment] None, black iron oxide coating

CAD ：: 2D / 3D

Standard Price:	SGD 2.10-
Days to Ship:	4 Day(s) or more

Hex Socket Set Screw Cup Point UNF (Unified Fine Threads)

Hex Socket Set Screw Cup Point UNF (Unified Fine Threads)【1-50 Pieces Per Package】

SUNCO

[Materials]SCM/SUS304 Equivalent "Surface Treatment" black oxide coating "Thread type" unified fine UNF

CAD ：: 2D / 3D

Standard Price:	SGD 1.32-
Days to Ship:	4 Day(s) or more

Whitworth Slotted Flat Screw

Whitworth Slotted Flat Screw【1-300 Pieces Per Package】

SUNCO

[Materials] Steel, Stainless steel Bras
[Surface treatment] None, Trivalent chromate non-chrome plating white, Trivalent white, Bright chromate plating, Chromate plating, Nickel plating, chrome plating

Volume Discount

Standard Price:	SGD 1.56-
Days to Ship:	4 Day(s) or more

Hex Bolt, Partially Threaded, Whitworth

SUNCO

An inch screw with a 55° angle ridge thread, currently used in construction, electrical, water supply, and air conditioning related industry sectors in Japan.

Standard Price:	SGD 3.13-
Days to Ship:	4 Day(s) or more

Whitworth Hex Bolt - Strength Classification = 10.9

Whitworth Hex Bolt - Strength Classification = 10.9【1-100 Pieces Per Package】

SUNCO

[Detailed shape] Standard
[Thread ridge type] Whitworth Coarse
[Mounting hole dimensions] None
[Materials] Steel
[Tip shape] Flat End
[Application] High Strength
[Strength class (steel)] 10.9
[Thread (inch)] 5/16 3/8 1/2 5/8 3/4
[Length L (mm)] 20 25 30 35 40 50 55 65 75 150
[Surface treatment] None, bright chromate plating, chromate plating
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.

Standard Price:	SGD 3.51-
Days to Ship:	4 Day(s) or more

Head-Cut Rough Edge Left Screw Whitworth

SUNCO

[Detailed shape] Standard
[Thread ridge type] Whitworth Coarse (Left)
[Mounting hole dimensions] None
[Materials] Steel
[Tip shape] Rough Edge
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc)
[Application] Standard
[Thread (inch)] 3/8 1/2
[Length L (mm)] 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 300 350 400 450 500 550 600
[Surface treatment] None, bright chromate plating

Standard Price:	SGD 0.74-
Days to Ship:	4 Day(s) or more


Brand
Product Series
CAD
Days to Ship
Detailed Shape
Thread Type
Thread Nominal (inch)
Length L (inch)
Length L (mm)
Mounting Hole Shape
Material
Surface Treatment
Tip Shape
Sales Unit
Application
Strength Class (Steel)

	On Sale Till 31/03/2025	On Sale Till 31/03/2025				On Sale Till 31/03/2025			On Sale Till 31/03/2025	On Sale Till 31/03/2025		On Sale Till 31/03/2025
Brand	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO
Product Series	Hex Socket Head Cap Screws UNC【1-50 Pieces Per Package】	Hex Socket Head Cap Screws UNF【1-50 Pieces Per Package】	Hex Socket Flat Head Cap Screws UNC【1-50 Pieces Per Package】	Phillips Flat Head Screw【1-100 Pieces Per Package】	UNC Flat Unified Screw【1-100 Pieces Per Package】	Phillips Pan Head Screw UNC【1-50 Pieces Per Package】	Hex Bolt, Fully Threaded, Whitworth【1-300 Pieces Per Package】	Hex Socket Button Head Cap Screw UNC	Coarse Unified Hex Bolt, G-5【1-400 Pieces Per Package】	Whitworth Hex Bolt【1-100 Pieces Per Package】	Fine Unified Hex Bolt, G-5【1-400 Pieces Per Package】	Hex Socket Flat Head Cap Screws UNF【1-50 Pieces Per Package】	Hex Socket Set Screw Cup Point UNC (Unified Coarse Threads)【1-50 Pieces Per Package】	Whitworth Slotted Round Screw【1-300 Pieces Per Package】	Hex Bolts Fully Threaded JIS【1-300 Pieces Per Package】	Hex Socket Button Head Cap Screw UNF【1-50 Pieces Per Package】	Hex Socket Set Screw Cup Point UNF (Unified Fine Threads)【1-50 Pieces Per Package】	Whitworth Slotted Flat Screw【1-300 Pieces Per Package】	Hex Bolt, Partially Threaded, Whitworth	Whitworth Hex Bolt - Strength Classification = 10.9【1-100 Pieces Per Package】	Head-Cut Rough Edge Left Screw Whitworth
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
Days to Ship	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more
Detailed Shape	Standard	Standard	Flat Head	Flat Head	Flat Head	Pan Head	Standard	Button Head Cap	Standard	Standard	Standard	Flat Head	-	Pan Head	Standard	Button Head Cap	-	Flat Head	Standard	Standard	Standard
Thread Type	Unified Coarse UNC	Unified Fine UNF	Unified Coarse UNC	Unified Coarse UNC	Unified Coarse UNC	Unified Coarse UNC	Wit Coarse	Unified Coarse UNC	Unified Coarse UNC	Wit Coarse	Unified Fine UNF	Unified Fine UNF	Unified Coarse UNC	Wit Coarse	Wit Coarse	Unified Fine UNF	Unified Fine UNF	Wit Coarse	Wit Coarse	Wit Coarse	Wit Coarse
Thread Nominal (inch)	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16	5/16
Length L (inch)	1 ～ 7/8	1 ～ 7/8	1 ～ 7/8	1 1/2 ～ 7/8	1 1/2 ～ 7/8	1 ～ 5/8	-	1 ～ 7/8	1 ～ 7/16	-	1 ～ 7/8	1 ～ 5/8	1 ～ 7/16	-	-	1 ～ 7/8	1 ～ 7/16	-	-	-	-
Length L (mm)	-	-	-	-	-	-	10 ～ 100	-	-	10 ～ 85	-	-	-	12 ～ 75	16 ～ 75	-	-	12 ～ 100	65 ～ 100	20 ～ 25	30 ～ 950
Mounting Hole Shape	Hex Socket	Hex Socket	Hex Socket	Cross Recessed	Cross Recessed	Cross Recessed	N/A	Hex Socket	N/A	Hex Socket	N/A	Hex Socket	Hex Socket	Negative	-	Hex Socket	Hex Socket	Negative	N/A	N/A	N/A
Material	Stainless ～ Steel	Stainless ～ Steel	Stainless ～ Steel	Stainless	Stainless	Stainless	Brass ～ Steel	Stainless ～ Steel	Stainless ～ Steel	Stainless ～ Steel	Stainless ～ Steel	Stainless ～ Steel	Stainless ～ Steel	Brass ～ Steel	Steel	Stainless ～ Steel	Stainless ～ Steel	Brass ～ Steel	Stainless	Steel	Steel
Surface Treatment	Black Oxide Coating	Black Oxide Coating	Black Oxide Coating	-	-	-	N/A / Black Oxide Coating / Trivalent Chromate / UniChrome Plating / Hot Dip Galvanizing / Chromate Plating / Nickel Plating / Parker / Stainless Coating	Black Oxide Coating	Black Oxide Coating / Trivalent Chromate / UniChrome Plating / Chromate Plating / Chrome Plating / Stainless Coating	N/A / Black Oxide Coating	N/A / Black Oxide Coating / Trivalent Chromate / UniChrome Plating / Chromate Plating / Chrome Plating / Stainless Coating	N/A / Black Oxide Coating	Black Oxide Coating	Trivalent Chromate / UniChrome Plating	Black Oxide Coating / UniChrome Plating / Chromate Plating / Nickel Plating / Parker	Black Oxide Coating	Black Oxide Coating	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating	N/A	Black Oxide Coating / UniChrome Plating / Chromate Plating / Stainless Coating	N/A / UniChrome Plating
Tip Shape	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Flat End	Cup Point	Flat End	Flat End	Flat End	Cup Point	Flat End	Flat End	Flat End	Flat End
Sales Unit	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.)	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Box / Package
Application	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	-	Standard	Standard	Standard	-	Standard	Standard	Standard	-	-	High Strength	Standard
Strength Class (Steel)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	10.9	-

Configure

Specification/Dimensions

Thread Type
- Unified Coarse UNC
- Unified Fine UNF
- Wit Coarse
- Whitworth Coarse Thread (Left)
Clear

Thread Nominal (inch)
NO.0

NO.1

NO.10

NO.12

NO.2

NO.3

NO.4

NO.5

NO.6

NO.8

1

1 1/2

1 1/4

1 1/8

1/2

1/4

1/8

3/4

3/8

3/16

5/8

5/16

7/8

7/16

9/16
Clear

Length L (inch)
1

1 1/2

1 1/4

1 1/8

1/2

1 3/4

1 3/8

1/4

1 5/8

1 7/8

1/8

1/16

2

2 1/2

2 1/4

2 3/4

3

3 1/2

3 1/4

3 3/4

3/4

3/8

3/16

3/32

4

4 1/2

4 1/4

4 1/8

4 3/4

5

5 1/2

5 1/4

5/8

5/16

5/32

6

6 1/2

6 1/4

7

7 1/2

7/8

7/16

8

8 1/2

9

9 1/2

9/16

10
Clear

Length L (mm)
6

8

10

12

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16

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22

25

30

32

35

38

40

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55

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Drawing

Clear

Mounting Hole Shape
- Hex Socket
- Cross Recessed
- Negative
- N/A
Larger Image

Clear

Material
Brass

Stainless

Steel
Clear

Surface Treatment
- N/A
- Black Oxide Coating
- Non-chrome
- Trivalent Chromate
- UniChrome Plating
- Hot Dip Galvanizing
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parker
- Stainless Coating
- Black Painted
Clear

Tip Shape
- Flat End
- Cup Point
- Other Special Shapes
Larger Image

Clear

Sales Unit
Bulk (Purchasing from 1 pc.)

Box / Package
Clear

Application
- Standard
- High Strength
Clear

Strength Class (Steel)
10.9
Clear

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CAD

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SUNCO Unified screw, Inch screw（Thread Nominal (inch)：5/16）

Detailed Shape

Configure

Specification/Dimensions

Thread Type

Thread Nominal (inch)

Length L (inch)

Length L (mm)

Mounting Hole Shape

Material

Surface Treatment

Tip Shape

Sales Unit

Application

Strength Class (Steel)

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