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Discontinued Products

Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 9/3 to 0:00 (SGT) 10/3/2025. We apologize for the inconvenience.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Weld Nuts

Weld Nuts
These nuts are designed to be welded onto target materials. These are closely fixed to the target material and can be circular, square, or hexagonal and can have various seating surfaces or projections (claws).
Pilot (guide) included types are also called projection weld nuts.

27 items

: 30; 45; 60

Days to Ship	All Same day 4 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 12 Day(s) or Less 13 Day(s) or Less 16 Day(s) or Less

On Sale Till 31/03/2025

Hex Weld Nut (Welded Nut) with Pilot (1A Type)

Hex Weld Nut (Welded Nut) with Pilot (1A Type)【1-1,000 Pieces Per Package】

SUNCO

A weld nut. Includes a positioning guide (pilot) in the center.

CAD ：: 2D / 3D

Standard Price:	SGD 0.18-
	Special Price
Days to Ship:	Same day or more

Square Weld Nut (Welded Nut) without Pilot, Protruding Type (1D Type)

Square Weld Nut (Welded Nut) without Pilot, Protruding Type (1D Type)【1-1,000 Pieces Per Package】

SUNCO

A weld nut. Does not include a positioning guide (pilot).

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 0.11-
Days to Ship:	4 Day(s) or more

Hexagonal Weld Nut (Weld Nut) With Pilot (DIN Standard)

SUNCO

A weld nut. Includes a positioning guide (pilot) in the center.

CAD ：: 2D / 3D

Standard Price:	SGD 0.39-
Days to Ship:	4 Day(s) or more

Hexagonal Weld Nut (Weld Nut) With Pilot (1A Shape) Fine

Hexagonal Weld Nut (Weld Nut) With Pilot (1A Shape) Fine【200 Pieces Per Package】

SUNCO

A weld nut. Includes a positioning guide (pilot) in the center.

CAD ：: 2D / 3D

Standard Price:	SGD 28.28
Days to Ship:	4 Day(s) or more

Hexagonal Weld Nut (Weld Nut) No Pilot (1B Shape)

Hexagonal Weld Nut (Weld Nut) No Pilot (1B Shape)【300-500 Pieces Per Package】

SUNCO

A weld nut. Does not include a positioning guide (pilot).

CAD ：: 2D / 3D

Standard Price:	SGD 25.06-
Days to Ship:	4 Day(s) or more

Square Weld Nut (Welded Nut) with Pilot

Square Weld Nut (Welded Nut) with Pilot【500-1,000 Pieces Per Package】

NISHI SEIKO

A weld nut. Includes a positioning guide (pilot) in the center.

CAD ：: 2D / 3D

Standard Price:	SGD 25.78-
Days to Ship:	4 Day(s) or more

Hex Weld Nuts, Type 1B (without Pilot)

Hex Weld Nuts, Type 1B (without Pilot)【300-500 Pieces Per Package】

SATO RASHI

[Material] Steel screw thread
[Type] Metric coarse application / function for welding
[Sales unit] Boxes/pack
[Nominal designation of screw thread (M)] 4 5 6 8
[Surface treatment] None trivalent chromate bright chromate plating chromate plating nickel plating
[Surface treatment] (details) none trivalent chromate trivalent black trivalent white bright chromate plating chromate plating nickel plating
[Pitch (mm)] 0.7 0.8 1 1.25

Standard Price:	SGD 25.06-
Days to Ship:	4 Day(s) or more

Type 1D Square Weld Nut without Pilot, Whitworth

Type 1D Square Weld Nut without Pilot, Whitworth【400 Pieces Per Package】

SUNCO

[Material] Steel screw thread
[Type] Whitworth coarse application / function standard
[Sales unit] Boxes/pack
[Nominal designation of screw thread (inch)] 3/8
[Height (mm)] 6.5
[Surface treatment] None trivalent chromate bright chromate plating chromate plating nickel plating
[Surface treatment] (details) none trivalent chromate trivalent black trivalent white bright chromate plating chromate plating black chromate nickel plating

CAD ：: 2D / 3D

Standard Price:	SGD 52.78
Days to Ship:	4 Day(s) or more

Square Weld Nut (Welded Nut) Without Pilot, Square Type (1C Type)

Square Weld Nut (Welded Nut) Without Pilot, Square Type (1C Type)【500-800 Pieces Per Package】

SUNCO

A weld nut. Does not include a positioning guide (pilot).

CAD ：: 2D / 3D

Standard Price:	SGD 33.00-
Days to Ship:	4 Day(s) or more

T-Weld Nut (2A) (With Pilot, No Dowel)

T-Weld Nut (2A) (With Pilot, No Dowel)【1-700 Pieces Per Package】

OHTA PRESS

[Material] Steel screw thread
[Type] Metric coarse
[Sales unit] Boxes/pack dowel (E) none
[Nominal designation of screw thread (M)] 4 5 6 8 10 12
[Surface treatment] None trivalent chromate bright chromate plating chromate plating nickel plating
[Surface treatment] (details) none trivalent chromate trivalent black trivalent white bright chromate plating chromate plating chromate plating bright chromate nickel plating
[Height (mm)] 4.1 5 6.7 8.8 14 B dimensions 9 10 12 14 19 21
[Pitch] 0.7 0.8 1 1.25 1.5 1.75

Standard Price:	SGD 0.28-
Days to Ship:	4 Day(s) or more

Hex Weld Nut 1A

Hex Weld Nut 1A【1,800-8,000 Pieces Per Package】

SUNCO

[Material] Steel
[Surface treatment] None, Trivalent white
[Nominal] M4, M5, M6, M8, M10, M12

Standard Price:	SGD 260.25-
Days to Ship:	7 Day(s) or more

T-Type Weld Nut 1A

T-Type Weld Nut 1A【1,000-5,000 Pieces Per Package】

SUNCO

[Material] Steel
[Surface treatment] None / Trivalent chromate / Trivalent black / Trivalent white / Bright chromate plating / Chromate plating / Black chromate / Nickel plating
[Nominal thread (M)] 4, 5, 6, 8, 10
[Thread type] Metric coarse
[Applications/Functions] For welding
[Sales unit] Box/pack

Standard Price:	SGD 343.73-
Days to Ship:	16 Day(s) or more

T-Type Weld Nut 2B

T-Type Weld Nut 2B【1,000-5,000 Pieces Per Package】

SUNCO

[Material] Steel
[Surface treatment] None / Trivalent chromate / Trivalent black / Trivalent white / Bright chromate plating / Chromate plating / Black chromate / Nickel plating
[Nominal thread (M)] 4, 5, 6, 8, 10, 12, (inch) 3/8
[Thread type] Metric coarse
[Applications/Functions] For welding
[Sales unit] Box/pack

Standard Price:	SGD 343.73-
Days to Ship:	7 Day(s) or more

Welding Nut F (Without Dowel)

Welding Nut F (Without Dowel)【1-500 Pieces Per Package】

OCHIAI

A product that is ideal for tightening split molds.

Standard Price:	SGD 0.20-
Days to Ship:	4 Day(s) or more

Welding Nut (with Dowel)

OCHIAI

A product that is ideal for tightening split molds.

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

Square Weld Nut, Non-Pilot, Protruding Type (1D Type) Details

Square Weld Nut, Non-Pilot, Protruding Type (1D Type) Details【200 Pieces Per Package】

NISHI SEIKO

A weld nut. Does not include a positioning guide (pilot).

CAD ：: 2D / 3D

Standard Price:	SGD 25.59-
Days to Ship:	4 Day(s) or more

T-Shaped Weld Nut (2A) JIS Standard

T-Shaped Weld Nut (2A) JIS Standard【150-700 Pieces Per Package】

SUNCO

A product that is extremely effective against strong vibrations and has a wide crimped area due to the larger flange size compared with tetragonal and hexagonal weld shapes. Can also be used with thin plates and resin products.

CAD ：: 2D / 3D

Standard Price:	SGD 35.15-
Days to Ship:	4 Day(s) or more

T-Weld Nut (1A) (With Pilot and Dowel)

T-Weld Nut (1A) (With Pilot and Dowel)【150-700 Pieces Per Package】

OHTA PRESS

[Material] Steel screw thread
[Type] Metric coarse
[Sales unit] Boxes/pack
[Nominal designation of screw thread (M)] 4 5 6 8 10
[Surface treatment] None trivalent chromate bright chromate plating chromate plating nickel plating
[Surface treatment] (details) none trivalent chromate trivalent black trivalent white bright chromate plating chromate plating bright chromate nickel plating
[Height (mm)] 4.1 5 6.7 8.8 B dimensions 9 10 12 14 19
[Pitch] 0.7 0.8 1 1.25 1.5 t 1.6 1.8 2.2 2.3 D 6.2 8 9.5 12.7 A 18 21 23 30 dowel (E) 3 3.5

Standard Price:	SGD 50.53-
Days to Ship:	4 Day(s) or more

T-Weld Nut (1B) (With Dowel, No Pilot)

T-Weld Nut (1B) (With Dowel, No Pilot)【150-700 Pieces Per Package】

OHTA PRESS

[Material] Steel screw thread
[Type] Metric coarse
[Sales unit] Boxes/pack
[Nominal designation of screw thread (M)] 4 5 6 8 10
[Surface treatment] None trivalent chromate bright chromate plating chromate plating nickel plating
[Surface treatment] (details) none trivalent chromate trivalent black trivalent white bright chromate plating chromate plating bright chromate nickel plating
[Height (mm)] 5.4 6 8.7 10.3 B dimensions 9 10 12 14 19
[Pitch] 0.7 0.8 1 1.25 1.5 t 1.6 1.8 2.2 2.3 D 6.2 8 9.5 12.7 A 18 21 23 30 dowel (E) 3 3.5

Standard Price:	SGD 50.53-
Days to Ship:	4 Day(s) or more

T-model weld nut (2B) (Non-pilot, non-dimple)

T-model weld nut (2B) (Non-pilot, non-dimple)【150-700 Pieces Per Package】

OHTA PRESS

[Material] Steel
[Sales unit] Boxes/pack
[Nominal designation of screw thread (M)] 4 5 6 8 10 12
[Surface treatment] None trivalent chromate bright chromate plating chroma plating nickel plating
[Screw thread type] Metric coarse Whitworth coarse
[Nominal designation of screw thread (inch)] 3/8
[Surface treatment] (details) none trivalent chromate trivalent black trivalent white bright chromate plating chromate plating bright chromate plating nickel plating
[Height (mm)] 5.4 6 8 8.7 10.3 10.4 B dimensions 9 10 12 14 19 21
[Pitch] 0.7, 0.8, 1, 1.25, 1.5, 1.75, 16

Standard Price:	SGD 50.53-
Days to Ship:	4 Day(s) or more

Welded U-Nut

FUJI SEIMITSU

A nut that exhibits a stable locking function.
[Features]
·Prevents early disengagement even when the axial force is reduced.
·All-metal product with excellent heat and cold resistance.
·Easy to tighten and prevents mounting errors.
·Reusable.
[Applications]
·Ideal for steel structures such as railroads and connecting bridges, cars, motorcycles, and industrial machinery.

Standard Price:	SGD 0.77-
Days to Ship:	4 Day(s) or more

E-LOCK Nut (Square Weld Nut)

E-LOCK Nut (Square Weld Nut)【375-750 Pieces Per Package】

SUNCO

[Material] Steel/SUS304 equivalent
[Surface Processing] None
[Nominal of Thread (M)] 4/5/6/8/10
[Application/Function] For welding
[Thread Ridge Type] Metric Coarse
[Sales Unit] Box/Package

Standard Price:	SGD 297.71-
Days to Ship:	7 Day(s) or more

Hex Nut with Pilot

SUNCO

[Material] Steel
[Surface Processing] None
[Nominal of Thread (M)] 5, 6, 8, 10, 16, 3/8
[Sales Unit] Individual (can be purchased from one piece)

Standard Price:	SGD 0.21-
Days to Ship:	4 Day(s) or more

Hex Weld Nut 1A, Fine

Hex Weld Nut 1A, Fine【1,800 Pieces Per Package】

SUNCO

[Material] Steel
[Surface treatment] None, Trivalent white
[Nominal] M10, M12

Standard Price:	SGD 269.31-
Days to Ship:	16 Day(s) or more

T-Type Weld Nut 2A, JIS Fine

SUNCO

[Material] Steel
[Surface treatment] None
[Nominal thread (M)] 10
[Thread type] Metric fine
[Applications/Functions] For welding

Standard Price:	SGD 0.70
Days to Ship:	7 Day(s) or more

T-Type Weld Nut 1B

T-Type Weld Nut 1B【750-5,000 Pieces Per Package】

SUNCO

[Material] Steel
[Surface treatment] None / Trivalent chromate / Trivalent black / Trivalent white / Bright chromate plating / Chromate plating / Black chromate / Nickel plating
[Nominal thread (M)] 4, 5, 6, 8, 10, 12
[Thread type] Metric coarse
[Applications/Functions] For welding
[Sales unit] Box/pack

Standard Price:	SGD 336.86-
Days to Ship:	7 Day(s) or more

T-Type Weld Nut 2A

T-Type Weld Nut 2A【1,000-5,000 Pieces Per Package】

SUNCO

Standard Price:	SGD 343.73-
Days to Ship:	7 Day(s) or more


Brand
Product Series
CAD
Days to Ship
Thread Nominal (M)
Material
Surface Treatment
Screw Thread Types
Application / Functions
Sales Unit
Thread Nominal (inch)
Surface Treatment (Details)
Locking Details

	On Sale Till 31/03/2025
Brand	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	NISHI SEIKO	SATO RASHI	SUNCO	SUNCO	OHTA PRESS	SUNCO	SUNCO	SUNCO	OCHIAI	OCHIAI	NISHI SEIKO	SUNCO	OHTA PRESS	OHTA PRESS	OHTA PRESS	FUJI SEIMITSU	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO
Product Series	Hex Weld Nut (Welded Nut) with Pilot (1A Type)【1-1,000 Pieces Per Package】	Square Weld Nut (Welded Nut) without Pilot, Protruding Type (1D Type)【1-1,000 Pieces Per Package】	Hexagonal Weld Nut (Weld Nut) With Pilot (DIN Standard)	Hexagonal Weld Nut (Weld Nut) With Pilot (1A Shape) Fine【200 Pieces Per Package】	Hexagonal Weld Nut (Weld Nut) No Pilot (1B Shape)【300-500 Pieces Per Package】	Square Weld Nut (Welded Nut) with Pilot【500-1,000 Pieces Per Package】	Hex Weld Nuts, Type 1B (without Pilot)【300-500 Pieces Per Package】	Type 1D Square Weld Nut without Pilot, Whitworth【400 Pieces Per Package】	Square Weld Nut (Welded Nut) Without Pilot, Square Type (1C Type)【500-800 Pieces Per Package】	T-Weld Nut (2A) (With Pilot, No Dowel)【1-700 Pieces Per Package】	Hex Weld Nut 1A【1,800-8,000 Pieces Per Package】	T-Type Weld Nut 1A【1,000-5,000 Pieces Per Package】	T-Type Weld Nut 2B【1,000-5,000 Pieces Per Package】	Welding Nut F (Without Dowel)【1-500 Pieces Per Package】	Welding Nut (with Dowel)	Square Weld Nut, Non-Pilot, Protruding Type (1D Type) Details【200 Pieces Per Package】	T-Shaped Weld Nut (2A) JIS Standard【150-700 Pieces Per Package】	T-Weld Nut (1A) (With Pilot and Dowel)【150-700 Pieces Per Package】	T-Weld Nut (1B) (With Dowel, No Pilot)【150-700 Pieces Per Package】	T-model weld nut (2B) (Non-pilot, non-dimple)【150-700 Pieces Per Package】	Welded U-Nut	E-LOCK Nut (Square Weld Nut)【375-750 Pieces Per Package】	Hex Nut with Pilot	Hex Weld Nut 1A, Fine【1,800 Pieces Per Package】	T-Type Weld Nut 2A, JIS Fine	T-Type Weld Nut 1B【750-5,000 Pieces Per Package】	T-Type Weld Nut 2A【1,000-5,000 Pieces Per Package】
CAD	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	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	7 Day(s) or more	16 Day(s) or more	7 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	7 Day(s) or more	4 Day(s) or more	16 Day(s) or more	7 Day(s) or more	7 Day(s) or more	7 Day(s) or more
Thread Nominal (M)	4 ～ 12	4 ～ 12	3 ～ 5	10	4 ～ 8	4 ～ 8	4 ～ 8	-	6 ～ 8	4 ～ 12	4 ～ 10	4 ～ 10	4 ～ 12	4 ～ 10	8	10 ～ 12	4 ～ 10	4 ～ 10	4 ～ 10	4 ～ 12	5 ～ 6	6 ～ 10	5 ～ 16	10	10	4 ～ 12	4 ～ 10
Material	Steel / Stainless	Steel / Stainless / Titanium	Stainless	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel / Stainless	Steel	Steel	Steel	Steel	Steel
Surface Treatment	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	-	N/A	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	-	N/A / Trivalent Chromate / Chromate Plating	-	N/A / Trivalent Chromate / Chromate Plating	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	N/A / Trivalent Chromate	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	Trivalent Chromate / Zinc Plating / Polish	Trivalent Chromate / Polish	-	Trivalent Chromate	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	-	-	N/A	N/A / Trivalent Chromate	N/A	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating	N/A / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating
Screw Thread Types	Metric Coarse	Metric Coarse	Metric Coarse	Meter (Fine)	Metric Coarse	Metric Coarse	Metric Coarse	Wit Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Meter (Fine)	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse / Wit Coarse	Metric Coarse	Metric Coarse	Metric Coarse / Wit Coarse	Meter (Fine)	Meter (Fine)	Metric Coarse	Metric Coarse
Application / Functions	For Welding	For Welding	For Welding	For Welding	For Welding	For Welding	For Welding	General	For Welding	-	For Welding	For Welding	For Welding	For Welding	For Welding	For Welding	For Welding	-	-	-	For Welding	For Welding	-	For Welding	For Welding	For Welding	For Welding
Sales Unit	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.)	Box / Package	Box / Package	Box / Package	Box / Package	Box / Package	Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Box / Package	Box / Package	Box / Package	Bulk (Purchasing from 1 pc.) ～ Box / Package	Bulk (Purchasing from 1 pc.)	Box / Package	Box / Package	Box / Package	Box / Package	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
Thread Nominal (inch)	-	-	-	-	-	-	-	3/8	-	-	-	-	3/8	-	-	-	-	-	-	3/8	-	-	3/8	-	-	-	-
Surface Treatment (Details)	Chromate Plating ～ UniChrome Plating	Chromate Plating ～ UniChrome Plating	-	N/A	Chromate Plating ～ UniChrome Plating	Chromate Plating ～ UniChrome Plating	Chromate Plating ～ Trivalent Chromate	N/A	Chromate Plating ～ Trivalent Chromate	Chromate Plating ～ UniChrome Plating	N/A ～ Trivalent Chromate	Chromate Plating ～ UniChrome Plating	Chromate Plating ～ UniChrome Plating	Buffing ～ Zinc Plating	Buffing ～ Trivalent Chromate	N/A	N/A ～ Trivalent Chromate	Chromate Plating ～ UniChrome Plating	Chromate Plating ～ UniChrome Plating	Chromate Plating ～ UniChrome Plating	N/A	-	N/A	N/A ～ Trivalent Chromate	N/A	Chromate Plating ～ UniChrome Plating	Chromate Plating ～ UniChrome Plating
Locking Details	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	U Nut	-	-	-	-	-	-