Heavy-duty steel version of the Tapped-Heel Clamp Straps, with a radius nose to provide firm workpiece contact. 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. An indentation at the rear of each side provides a secure finger grip for retracting the clamp. Made in USA.
Tapped-Heel Clamp Straps have a tapped hole that accepts either a clamping screw for use with a slotted guide block, or an adjustable rear support.

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

| Stud Thread | Thread Pitch (mm) | A (mm) | B (mm) | C (mm) | E (mm) | F Thread | Thread Pitch (mm) |
| M12 | 1.75 mm | 114 mm | 32 mm | 16 mm | 42 mm | M6 | 1 mm |