Commercial/Recreational Mobile Generator Sets
Commercial/Recreational Mobile Generator Sets
Commercial/Recreational Mobile Generator Sets
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Screw/Bolts/Studs<br />
Head Styles<br />
Hex Head or Machine Head<br />
Hex Head or Machine Head<br />
with Washer<br />
Flat Head (FHM)<br />
Round Head (RHM)<br />
Pan Head<br />
Hex Socket Head Cap or<br />
Allen Head Cap<br />
Hex Socket Head or Allen<br />
Head Shoulder Bolt<br />
Sheet Metal Screw<br />
Stud<br />
Drive Styles<br />
Hex<br />
Hex and Slotted<br />
Phillips<br />
Slotted<br />
Hex Socket<br />
Appendix D Common Hardware Identification<br />
Nuts<br />
Nut Styles<br />
Hex Head<br />
Lock or Elastic<br />
Square<br />
Cap or Acorn<br />
Wing<br />
Washers<br />
Washer Styles<br />
Plain<br />
Split Lock or Spring<br />
Spring or Wave<br />
External Tooth Lock<br />
Internal Tooth Lock<br />
Internal-External Tooth Lock<br />
Allen head screw is a trademark of Holo-Krome Co.<br />
Phillips screw is a registered trademark of Phillips Screw Company.<br />
American Standard (Screws, Bolts, Studs, and Nuts)<br />
1/4-20 x 1<br />
Length In Inches (Screws and Bolts)<br />
Threads Per Inch<br />
Sample Dimensions<br />
Major Thread Diameter In Fractional Inches Or Screw Number Size<br />
Metric (Screws, Bolts, Studs, and<br />
Nuts) M8-1.25 x 20<br />
Length In Millimeters (Screws and Bolts)<br />
Distance Between Threads In Millimeters<br />
Major Thread Diameter In Millimeters<br />
Hardness Grades<br />
American Standard<br />
Grade 2<br />
Grade 5<br />
Grade 8<br />
Grade 8/9 (Hex Socket<br />
Head)<br />
Metric<br />
Number stamped on<br />
hardware; 5.8 shown<br />
Plain Washers<br />
9/32 x5/8x1/16 Lock Washers<br />
5/8<br />
TP-6388 12/08 Appendix 149<br />
5.8<br />
Thickness<br />
External Dimension<br />
Internal Dimension<br />
Internal Dimension
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