Cantilever Clamps | McMaster-Carr

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C-Clamps

Grounding Clamps

Clamping Surface Texture

Reach Length

Clamping Action

Maximum Opening

Clamp Type

Body Height

Holding Capacity

1,000 lb. to 1,999 lb.

2,000 lb. to 2,999 lb.

Thread Size

Material

Body Material

Clamping Surface Material

Handle Material

Finish

Maximum Clamping Clearance

2 1/2"

Screw Material

18-8 Stainless Steel

Steel

Clamping Surface Location

Body

Screw

Number of Mounting Holes

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

RoHS

Compliant

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Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Overall Length

Performance

Length

Height

21 Products

No-Twist C-Clamps

The jaws move in unison to apply even pressure and prevent twisting. These clamps have grooved clamping surfaces that are good for holding round material. They also known as cantilever clamps.

18-8 Stainless Steel Body—Stainless steel clamps have excellent corrosion resistance.

	Opening
	Max.	Min.	Reach Lg.	Holding Cap., lb.	Body Ht.	Screw Material		Each
Zinc-Plated Steel Body







				T-Handle

				3/4"	0"	3/8"	200	1 5/16"	Copper-Plated Steel	5046A32	000000


				1"	0"	1/2"	350	1 7/8"	Copper-Plated Steel	5046A11	00000
				1 1/2"	0"	1"	600	3 1/8"	Copper-Plated Steel	5046A33	00000
				2"	0"	1 1/4"	800	3 1/2"	Copper-Plated Steel	5046A12	00000
				2 1/2"	0"	1 3/4"	700	4 1/16"	Copper-Plated Steel	5046A61	00000
				3"	0"	1 3/4"	1,500	4 7/8"	Copper-Plated Steel	5046A13	00000
				4 1/2"	0"	2 3/8"	1,700	7"	Copper-Plated Steel	5046A18	00000
				6"	0"	5"	2,000	10"	Copper-Plated Steel	5046A15	00000
				9 1/2"	0"	3 3/4"	2,500	12 3/4"	Copper-Plated Steel	5046A16	000000
				10"	0"	6 1/2"	3,500	12 3/4"	Copper-Plated Steel	5046A19	000000
				12"	0"	5 1/2"	6,000	15 1/2"	Copper-Plated Steel	5046A25	000000


				18-8 Stainless Steel Body







								T-Handle

								2"	0"	1 1/4"	700	3 3/8"	18-8 Stainless Steel	5046A26	00000


								3"	0"	1 1/4"	1,200	4 7/8"	18-8 Stainless Steel	5046A23	000000
								4 1/2"	0"	2 3/8"	1,500	5 11/16"	18-8 Stainless Steel	5046A24	00000

Bench-Mount No-Twist C-Clamps

Hold the workpiece down against a bench or table. The screw is separate from the pivoting clamping surface, moving it into place for a firm grip without twisting. The clamping surface and screw are copper plated to resist weld spatter. These are also known as cantilever clamps.

					Overall
	Max. Clamping Clearance	Reach Lg.	Holding Cap., lb.	Screw Material	Lg.	Wd.	Ht.	No. of Mounting Holes (Diameter)	Mounting Fasteners Included		Each
Zinc-Plated Steel Body







				T-Handle

				2 1/2"	2 1/2"	1,500	Copper-Plated Steel	6 1/8"	2 11/16"	3 1/2"	4 (9/32") 2 (1/4")	No	5012A71	000000


				5"	4 1/4"	3,200	Copper-Plated Steel	8 7/8"	3 3/4"	5 3/4"	6 (5/16")	No	5012A72	00000

Nonmarring No-Twist C-Clamps

Plastic clamping surfaces prevent damage to material. The jaws on these clamps move in unison to apply even pressure and prevent twisting. They are also known as cantilever clamps.

	Opening
	Max.	Min.	Reach Lg.	Holding Cap., lb.	Body Ht.	Screw Material		Each
Zinc-Plated Steel Body







				T-Handle

				2 1/4"	0"	1 3/4"	700	4 1/16"	Copper-Plated Steel	5046A4	000000


				4 1/8"	0"	2 1/4"	1,700	6 3/4"	Copper-Plated Steel	5046A31	00000

Grounding Clamps for Welding

Designed specifically for use with welding circuits.

C-Clamp


No Twist	No Twist ABS Plastic Handle

C-clamps tighten with a handle. Use these multipurpose tools for strong clamping in nearly any application.

No Twist—No-twist clamps have jaws that move in unison to apply even pressure and prevent twisting while securing your workpiece. They’re also known as cantilever clamps.

Copper Connection—Clamps that are copper prevent weld spatter from sticking.

ABS Plastic Handle—Clamps with an ABS plastic handle have a cushioned grip that’s comfortable to hold.

	Jaw Opening	Connection Material	Electrical Connection	Cable Connection	Features		Each
No Twist



	400	4 1/2"	Copper	Grounding Clamp	Stud Terminal	—	7840A19	000000


	400	4 1/2"	Copper	Grounding Clamp	Stud Terminal	ABS Plastic Handle	7840A21	00000

Three-Way No-Twist C-Clamps

Clamp the side of a workpiece as well as the top and bottom. These clamps have jaws that move in unison to apply even pressure and prevent twisting. The grooved clamping surfaces are good for holding round material. Copper plating on the clamping surfaces and screw resists weld spatter. They are also known as cantilever clamps.

	Opening
	Max.	Min.	Reach Lg.	Holding Cap., lb.	Body Ht.	Screw Material		Each
Zinc-Plated Steel Body







				T-Handle

				6"	0"	2 1/8"	2,000	9"	Copper-Plated Steel	5046A51	0000000