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Tapped-Heel Padded Clamp Straps (Steel)

Clamp Straps & Clamping Kits

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Product Information

Tapped-Heel Padded Clamp Straps (Steel)

Tapped-Heel Clamp Strap that features a replaceable clamping pad attached with two screws (furnished). Padded clamp straps also easily accept custom pads or other attachments. These clamp straps have a tapped heel that accepts a clamping screw or adjustable rear support. When used with a clamping screw, clamp by tightening the screw. When used with a rear support, clamp by tightening the center nut. The tapped hole at the rear of each side allows installing a Finger Pin. Available to fit stud sizes 1/4-20 to 1/2-13, most in a choice of strap lengths. Made in USA.

This clamp strap can be ordered by itself, or in a complete clamp assembly. The available assemblies are:

-HH Assembly with Hex-Head Clamping Screw

-HK Assembly with Hand-Knob Clamping Screw

-LF Assembly with Leveling Foot

-OP Assembly with Clamp Rest

Application Information

Tapped-Heel Clamp Straps have a tapped hole that accepts either a clamping screw for use with a slotted guide block, as shown here, or an adjustable rear support.

Clamping Pads

A steel Clamping Pad is furnished with each clamp strap. Additional Clamping Pads are available in steel, plastic, or brass (see tables below).

Assembly with Hex-Head Clamping Screw (-HH)

This assembly includes a Tapped-Heel Padded Clamp Strap plus the following items:

Hex-Head Clamping Screw

Guide Block

Spherical Nut & Washer

Clamping Stud

Clamp Spring

Flat Washer

Jam Nuts (2)

Assembly with Hand-Knob Clamping Screw (-HK)

This assembly includes a Tapped-Heel Padded Clamp Strap plus the following items:

Hand-Knob Clamping Screw

Guide Block

Spherical Nut & Washer

Clamping Stud

Clamp Spring

Flat Washer

Jam Nuts (2)

Assembly with Leveling Foot (-LF)

This assembly includes a Tapped-Heel Padded Clamp Strap plus the following items:

Stud Leveling Foot

Spherical Nut & Washer

Clamping Stud

Clamp Spring

Flat Washer

Jam Nut

Assembly with Clamp Rest (-OP)

This assembly includes a Tapped-Heel Padded Clamp Strap plus the following items:

Oval-Point Clamp Rest

Spherical Nut & Washer

Clamping Stud

Clamp Spring

Flat Washer

Jam Nuts (2)

Material

ITEM	MATERIAL	HEAT TREAT	FINISH	DFARS	RoHS
Clamp Strap	1018 Steel	Carburized Hardened	Black Oxide	✔	✔
Flat-Head Socket Screws	Steel	-	Black Oxide	✔	✔
Steel Clamping Pad	1018 Steel	Carburized Hardened	Black Oxide	✔	✔
Plastic Clamping Pad	Plastic	-	-	✔	✔
Brass Clamping Pad	Brass	-	-	✔	✔

Click here for detailed material and finish specifications.

California residents click here for Prop 65 information.

For material specifications of assembly components, see catalog page for each specific item.

Tapped-Heel Padded Clamp Straps (Steel)

Clamp Strap Only (Inch)

QUANTITY	PART NO.	A STUD SIZE	B	C	D	E	F	G	H	J	K THREAD	M	P	Q
	CL-157-CS	1/4-20	3/8	5/8	2	3/8	5/8	1/4	1/8	9/32	1/4-20	7/32	11/32	9/64
	CL-158A-CS	5/16-18	1/2	7/8	2-1/2	9/16	3/4	3/8	3/16	11/32	5/16-18	1/4	1/2	3/16
	CL-159A-CS	5/16-18	1/2	7/8	3-1/2	9/16	1-1/4	3/8	3/16	11/32	5/16-18	1/4	1/2	3/16
	CL-160A-CS	3/8-16	5/8	1-1/4	3-1/2	11/16	1-1/8	1/2	1/4	27/64	3/8-16	3/8	5/8	1/4
	CL-162A-CS	3/8-16	5/8	1-1/4	4-1/2	11/16	1-5/8	1/2	1/4	27/64	3/8-16	3/8	5/8	1/4
	CL-163A-CS	1/2-13	3/4	1-1/2	4-1/2	7/8	1-1/4	5/8	3/8	17/32	1/2-13	7/16	3/4	5/16
	CL-164A-CS	1/2-13	3/4	1-1/2	6	7/8	2	5/8	3/8	17/32	1/2-13	7/16	3/4	5/16

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Replacement Pad – Steel

QUANTITY	PART NO.	STUD SIZE	C	G	H	P	R
	CL-40-CP	1/4-20	5/8	1/4	1/8	11/32	#5-40
	CL-41-CP	5/16-18	7/8	3/8	3/16	1/2	#8-32
	CL-42-CP	3/8-16	1-1/4	1/2	1/4	5/8	#10-24
	CL-43-CP	1/2-13	1-1/2	5/8	3/8	3/4	1/4-20

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Replacement Pad – Plastic

QUANTITY	PART NO.	STUD SIZE	C	G	H	P	R
	CL-20-CP	1/4-20	5/8	1/4	1/8	11/32	#5-40
	CL-21-CP	5/16-18	7/8	3/8	3/16	1/2	#8-32
	CL-22-CP	3/8-16	1-1/4	1/2	1/4	5/8	#10-24
	CL-23-CP	1/2-13	1-1/2	5/8	3/8	3/4	1/4-20

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Replacement Pad – Brass

QUANTITY	PART NO.	STUD SIZE	C	G	H	P	R
	CL-30-CP	1/4-20	5/8	1/4	1/8	11/32	#5-40
	CL-31-CP	5/16-18	7/8	3/8	3/16	1/2	#8-32
	CL-32-CP	3/8-16	1-1/4	1/2	1/4	5/8	#10-24
	CL-33-CP	1/2-13	1-1/2	5/8	3/8	3/4	1/4-20

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Assembly with Hex-Head Clamping Screw (Inch)

QUANTITY	PART NO.	A THREAD	D	E	F	T	CLAMP STRAP	CLAMP SPRING	CLAMPING STUD	JAM NUTS	SPHERICAL NUT & WASHER	FLAT WASHER	HEX-HEAD CLAMPING SCREW	GUIDE BLOCK
	CL-157-THPA-HH	1/4-20	2	3/8	5/8	21/32	CL-157-CS	CL-5-SPG	CL-1/4-20x2.50-STUD	(2) CL-4-JN	CL-1-SNW	CL-7-FW	CL-1-THA-BOLT	CL-2-GB
	CL-160A-THPA-HH	3/8-16	3-1/2	11/16	1-1/8	1-1/8	CL-160A-CS	CL-7-SPG	CL-3/8-16x3.00-STUD	(2) CL-6-JN	CL-2-SNW	CL-1-FW	CL-2-THA-BOLT	CL-4-GB
	CL-162A-THPA-HH	3/8-16	4-1/2	11/16	1-5/8	1-5/8	CL-162A-CS	CL-7-SPG	CL-3/8-16x3.00-STUD	(2) CL-6-JN	CL-2-SNW	CL-1-FW	CL-2-THA-BOLT	CL-4-GB
	CL-163A-THPA-HH	1/2-13	4-1/2	7/8	1-1/4	1-11/16	CL-163A-CS	CL-9-SPG	CL-1/2-13x4.00-STUD	(2) CL-8-JN	CL-3-SNW	CL-2-FW	CL-3-THA-BOLT	CL-6-GB
	CL-164A-THPA-HH	1/2-13	6	7/8	2	2-7/16	CL-164A-CS	CL-9-SPG	CL-1/2-13x4.00-STUD	(2) CL-8-JN	CL-3-SNW	CL-2-FW	CL-3-THA-BOLT	CL-6-GB

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Assembly with Hand-Knob Clamping Screw (Inch)

QUANTITY	PART NO.	A THREAD	D	E	F	T	CLAMP STRAP	CLAMP SPRING	CLAMPING STUD	JAM NUTS	SPHERICAL NUT & WASHER	FLAT WASHER	HAND-KNOB CLAMPING SCREW	GUIDE BLOCK
	CL-157-THPA-HK	1/4-20	2	3/8	5/8	21/32	CL-157-CS	CL-5-SPG	CL-1/4-20x2.50-STUD	(2) CL-4-JN	CL-1-SNW	CL-7-FW	CL-1-THA-KNOB	CL-20-GB
	CL-160A-THPA-HK	3/8-16	3-1/2	11/16	1-1/8	1-1/8	CL-160A-CS	CL-7-SPG	CL-3/8-16x3.00-STUD	(2) CL-6-JN	CL-2-SNW	CL-1-FW	CL-2-THA-KNOB	CL-40-GB
	CL-162A-THPA-HK	3/8-16	4-1/2	11/16	1-5/8	1-5/8	CL-162A-CS	CL-7-SPG	CL-3/8-16x3.00-STUD	(2) CL-6-JN	CL-2-SNW	CL-1-FW	CL-2-THA-KNOB	CL-40-GB
	CL-163A-THPA-HK	1/2-13	4-1/2	7/8	1-1/4	1-11/16	CL-163A-CS	CL-9-SPG	CL-1/2-13x4.00-STUD	(2) CL-8-JN	CL-3-SNW	CL-2-FW	CL-3-THA-KNOB	CL-60-GB
	CL-164A-THPA-HK	1/2-13	6	7/8	2	2-7/16	CL-164A-CS	CL-9-SPG	CL-1/2-13x4.00-STUD	(2) CL-8-JN	CL-3-SNW	CL-2-FW	CL-3-THA-KNOB	CL-60-GB

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Assembly with Leveling Foot (Inch)

QUANTITY	PART NO.	A THREAD	D	E	F	S	CLAMP STRAP	CLAMP SPRING	CLAMPING STUD	JAM NUT	SPHERICAL NUT & WASHER	FLAT WASHER	STUD LEVELING FOOT
	CL-157-THPA-LF	1/4-20	2	3/8	5/8	25/32	CL-157-CS	CL-5-SPG	CL-1/4-20x2.50-STUD	CL-4-JN	CL-1-SNW	CL-7-FW	CL-4-SLF-BO
	CL-158A-THPA-LF	5/16-18	2-1/2	9/16	3/4	15/16	CL-158A-CS	CL-6-SPG	CL-5/16-18x3.00-STUD	CL-5-JN	CL-9-SNW	CL-14-FW	CL-5-SLF-BO
	CL-159A-THPA-LF	5/16-18	3-1/2	9/16	1-1/4	1-7/16	CL-159A-CS	CL-6-SPG	CL-5/16-18x3.00-STUD	CL-5-JN	CL-9-SNW	CL-14-FW	CL-5-SLF-BO
	CL-160A-THPA-LF	3/8-16	3-1/2	11/16	1-1/8	1-5/16	CL-160A-CS	CL-7-SPG	CL-3/8-16x3.00-STUD	CL-6-JN	CL-2-SNW	CL-1-FW	CL-6-SLF-BO
	CL-162A-THPA-LF	3/8-16	4-1/2	11/16	1-5/8	1-13/16	CL-162A-CS	CL-7-SPG	CL-3/8-16x3.00-STUD	CL-6-JN	CL-2-SNW	CL-1-FW	CL-6-SLF-BO
	CL-163A-THPA-LF	1/2-13	4-1/2	7/8	1-1/4	1-15/16	CL-163A-CS	CL-9-SPG	CL-1/2-13x4.00-STUD	CL-8-JN	CL-3-SNW	CL-2-FW	CL-8-SLF-BO
	CL-164A-THPA-LF	1/2-13	6	7/8	2	2-11/16	CL-164A-CS	CL-9-SPG	CL-1/2-13x4.00-STUD	CL-8-JN	CL-3-SNW	CL-2-FW	CL-8-SLF-BO

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Assembly with Clamp Rest (Inch)

QUANTITY	PART NO.	A THREAD	D	E	F	S	CLAMP STRAP	CLAMP SPRING	CLAMPING STUD	JAM NUTS	SPHERICAL NUT & WASHER	FLAT WASHER	CLAMP REST
	CL-157-THPA-OP	1/4-20	2	3/8	5/8	25/32	CL-157-CS	CL-5-SPG	CL-1/4-20x2.50-STUD	(2) CL-4-JN	CL-1-SNW	CL-7-FW	CL-1/4-20x1.50-OPSS
	CL-160A-THPA-OP	3/8-16	3-1/2	11/16	1-1/8	1-5/16	CL-160A-CS	CL-7-SPG	CL-3/8-16x3.00-STUD	(2) CL-6-JN	CL-2-SNW	CL-1-FW	CL-3/8-16x2.00-OPSS
	CL-162A-THPA-OP	3/8-16	4-1/2	11/16	1-5/8	1-13/16	CL-162A-CS	CL-7-SPG	CL-3/8-16x3.00-STUD	(2) CL-6-JN	CL-2-SNW	CL-1-FW	CL-3/8-16x2.00-OPSS
	CL-163A-THPA-OP	1/2-13	4-1/2	7/8	1-1/4	1-15/16	CL-163A-CS	CL-9-SPG	CL-1/2-13x4.00-STUD	(2) CL-8-JN	CL-3-SNW	CL-2-FW	CL-1/2-13x2.00-OPSS
	CL-164A-THPA-OP	1/2-13	6	7/8	2	2-11/16	CL-164A-CS	CL-9-SPG	CL-1/2-13x4.00-STUD	(2) CL-8-JN	CL-3-SNW	CL-2-FW	CL-1/2-13x2.00-OPSS

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