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Bsc Preferred
Black-Oxide Alloy Steel Socket Head Screw 1/2-13 Thread Size 3-3/4 Long, 5PK
Mfr # 91251A120
Zoro # G811399284
$23.59
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Product Information
- Brand Bsc Preferred
- MFR # 91251A120
- Zoro # G811399284
- Country of Origin China
- Category Socket Head Cap Screws
Description
With a tensile strength of 170000 psi these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.Black-oxide steel screws are mildly corrosion resistant in dry environments.Coarse threads are the industry standard; choose these screws if you dont know the pitch or threads per inch.Screws that meet ASTM A574 ASTM A574M and ISO 898-1 comply with specifications and testing requirements for material quality.
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