Hex Cap Screw or Bolt, the difference? A Hex Cap Screw has tighter tolerances on the body dimensions, a chamfered end, and a washer face under the bolt head. Hex Bolts have a flat end and lack the washer face under the head. A Hex Cap Screw is often called a "finished" Hex Bolt.
Tensile strength of 150,000 PSI, available in Yellow Zinc or Plain finish, UNC (Coarse) and UNF (Fine) thread pitch.
18-8 (304, A2) and 316 (A4) stainless steel, UNC (Coarse) and UNF (Fine) thread pitch.
Tensile strength of 120,000 PSI, available in Zinc or Plain finish. UNC (Coarse) and UNF (Fine) thread pitch.
General purpose fastener, 60 ksi, Plain, Zinc Plated & Hot Dipped Galvanized
For high pressure and high temperature use, 1/2"-13 x 2" thru 1 1/4"-8 x 7".
L9 Bolt, Nut, & washer, the strongest off-the-shelf fastening combination.
Grade 2, hardware grade general purpose fastener in Plain & Zinc Plate finish.
M5-0.80 x 10 MM thru M30-3.5 x 100 MM, Coarse Thread
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