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Clamp Assemblies, Components, Hand Knob Screws

Designed for applications where thumb screws are too light, and a heavier, larger unit is needed. Cast iron knob, dog point end.

    • Material: Stem, Stressproof Head, Cast Iron
    • Finish: Stem, Black Oxide Head, Zinc Plate
    • Thread: 2A-UNC
    • Available in FixturePro™ Design Software

Click the Part Number in below chart
for Price and Stock Check.
CAD CAD Download Link

Part NumberABCDEFRadius GWt. (lbs) 10 pcs
13901 CAD
1/4-203/411/641/41 1/87/81/80.78
13902 CAD
5/16-181 1/167/325/161 1/211/41.57
13903 CAD
3/8-161 3/161/45/1621 1/81/41.87
13904 CAD
1/2-131 5/83/83/82 1/21 1/23/84.00
13905 CAD
5/8-111 3/415/323/8323/812.50

Unless otherwise stated, English units are inches (in) and pounds (lbs) and Metric units are millimeters (mm) and kilograms (kg).