Deep Throat Pattern C-Clamps

The Deep Throat Pattern C-Clamp is one of the most popular and versatile. It provides all the strength of the Square Throat Pattern and greater throat depth than the General Service Pattern. The frame is drop forged Carbon Steel; all other parts are machined from Carbon Steel.

Prod. #	Capacity-Inch	Depth-Ctr. Screw	ACME Thrd Size	Length of Screw	Min.Proof Test-lbs.	Price
78-401	1 1/2"- 0"	1 3/8"	3/8-16	3 1/4"	1,400	$16.39
78-402	2"- 0"	2"	1/2-8	4 3/4"	3,300	$18.08
78-403	3" - 0"	2 3/8"	1/2-8	5 3/4"	3,500	$21.59
78-404	4" - 0"	3 1/4"	3/4-6	7 5/8"	4,100	$26.69
78-406	6" - 0"	3 5/8"	3/4-6	9 7/8"	5,400	$36.78
78-408	8" - 0"	4 1/2"	3/4-6	12 3/8"	5,900	$48.55
78-410	10" - 3"	5 3/8"	3/4-6	12 3/8"	6,200	$61.59
78-412	12" - 4"	5 3/4"	7/8-6	13 1/2"	9,300	$83.72