Alloy Steel Socket Cap Screw 3/8-16 x 3/4" Length (Pack of 25) Review
Alloy Steel Socket Cap Screw 3/8-16 x 3/4" Length (Pack of 25) Feature
- Smaller sizes have knurled heads.
- ASTM A 574/90
- ANSI B 18.3/86, Hardness RC 38-43.
Alloy Steel Socket Cap Screw 3/8-16 x 3/4" Length (Pack of 25) Overview
Black Alloy Steel Socket Cap Screws are the standard among high-strength fasteners, these screws are made from an alloy steel that's comparable to Grade 8 steel and conforms to ASTM A574. They have a black-oxide finish that provides lubricity and mild rust resistance. Screw sizes through 1" have a Class 3A thread fit; screw sizes larger than 1" have a Class 2A thread fit. Screw sizes through 1/2" have a minimum Rockwell hardness of C39 and minimum tensile strength of 180,000 psi; screw sizes larger than 1/2" have a minimum Rockwell hardness of C37 and minimum tensile strength of 170,000 psi. Screw length is measured from under the head.
Alloy Steel Socket Cap Screw 3/8-16 x 3/4" Length (Pack of 25) Specifications
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*** Product Information and Prices Stored: Sep 22, 2009 18:00:05
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