Blind Hole Clamps | McMaster-Carr

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12 Products

Pliers-Activated Spring Clamp Sets

Set includes 12 clamps and the installation pliers required for positioning and removal. Clamps open with pliers and spring closed when the pliers are released.

			Jaw
Number of Pieces	Includes	Reach	Wd.	Material	Container Type		Each
Steel Body
13	Six 2 1/8" Lg. Clamps with 1/2" Max. Opening Six 2 1/2" Lg. Clamps with 3/4" Max. Opening 7 1/4" Lg. Clamp Installation Pliers	1"	1/4"	Aluminum	Plastic Case	0000000	0000000

Pliers-Activated Spring Clamps

Clamp thin sheet material together without drilling holes. These clamps open with special pliers and spring closed when the pliers are released.

For technical drawings and 3-D models, click on a part number.

Opening				Jaw
Max.	Min.	Reach	Holding Capacity	Wd.	Material	Overall Lg.		Each
Steel Body
1/2"	0"	1"	Not Rated	1/4"	Aluminum	2 1/8"	0000000	00000
3/4"	0"	1"	Not Rated	1/4"	Aluminum	2 1/2"	0000000	0000

7 1/4" Lg. Steel Clamp Installation Pliers with Cushion Grip	0000000	Each	000000
7 1/4" Lg. Steel Clamp Installation Pliers with Plain Grip	0000000	Each	00000

Hole-Grip Clamps

Insert these clamps into drilled holes in sheet material to grip and align while riveting or welding. They require clamp installation pliers (sold separately) for positioning and removal.

OD	For Drill Bit Size	For Material Thickness	Overall Lg.	Body Material		Each
3/32"	No. 40	0"-1/4"	2"	Steel	0000000	00000
1/8"	No. 30	0"-1/4"	2"	Steel	0000000	0000
5/32"	No. 20	0"-1/4"	2"	Steel	0000000	0000
3/16"	No. 10	0"-1/4"	2"	Steel	0000000	0000
1/4"	1/4"	0"-1/4"	2"	Steel	0000000	0000

7 1/4" Lg. Steel Clamp Installation Pliers with Plain Grip	0000000	Each	000000
7 1/4" Lg. Steel Clamp Installation Pliers with Cushion Grip	0000000	Each	00000

Hole-Grip Clamp Sets

Sets include clamps and installation pliers. Insert clamps into drilled holes in sheet material to grip and align while riveting or soldering.

Number of Pieces	Includes	Container Type		Each
7	One 2 1/4" Lg. 3/32" OD Steel Hole-Grip Clamp with 1/4" Max. Opening (For No. 40 drill bit size) One 2 1/4" Lg. 1/8" OD Steel Hole-Grip Clamp with 1/4" Max. Opening (For No. 30 drill bit size) One 2 1/4" Lg. 3/16" OD Steel Hole-Grip Clamp with 1/4" Max. Opening (For No. 10 drill bit size) One 2 1/4" Lg. 1/4" OD Steel Hole-Grip Clamp with 1/4" Max. Opening (For 1/4" drill bit size) Two 2 1/8" Lg. Pliers-Activated Spring Clamps with 1/2" Max. Jaw Opening and Aluminum Jaws 7 1/4" Lg. Steel Clamp Installation Pliers	Plastic Case	0000000	000000
51	Ten 2 1/4" Lg. 3/32" OD Steel Hole-Grip Clamps with 1/4" Max. Opening (For No. 40 drill bit size) Ten 2 1/4" Lg. 1/8" OD Steel Hole-Grip Clamps with 1/4" Max. Opening (For No. 30 drill bit size) Ten 2 1/4" Lg. 5/32" OD Steel Hole-Grip Clamps with 1/4" Max. Opening (For No. 20 drill bit size) Ten 2 1/4" Lg. 3/16" OD Steel Hole-Grip Clamps with 1/4" Max. Opening (For No. 10 drill bit size) Ten 2 1/4" Lg. 1/4" OD Steel Hole-Grip Clamps with 1/4" Max. Opening (For 1/4" drill bit size) 7 1/4" Lg. Steel Clamp Installation Pliers	Plastic Case	0000000	000000