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    1/4"-28, Steel Hex Head Cap Screw, Grade 8, 3-1/2"L, Plain Finish, 400 PK

  • Item # 39AE36
  • Mfr. Model # A04160.025.0350
1/4"-28, Steel Hex Head Cap Screw, Grade 8, 3-1/2"L, Plain Finish, 400 PK
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Product Details

Secure yet removable, this small but critical part helps keep your production running smoothly. General purpose threaded fastener is designed for insertion in pretapped holes or for use with nuts. Thick, hexagonal head with a washer face under the head provides an ample bearing surface for tightening with a wrench. Finding the right screw for your project is essential. Minimum thread length is calculated using the screw’s length. The formula is dia. X 2 + 1/4”.
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Technical Specifications

Item # 39AE36
Mfr. Model # A04160.025.0350
UNSPSC #31161501
Catalog Page 2059
Shipping Weight 20.28 lbs
Country of Origin USA *
Item Hex Head Cap Screw
System of Measurement Inch
Cap Screw Type Hex Head Cap Screw
Basic Material Steel
Material Grade Grade 8
Fastener Finish Plain
Dia./Thread Size 1/4"-28
Fastener Length 3-1/2"
Fastener Thread Direction Right Hand
Fastener Thread Type UNF (Fine)
Fastener Thread Style Partially Threaded
Fastener Industry Standards ASME B18.2.1
Head Type Hex
Min. Thread Length 3/4"
Head Height 5/32"
Head Width 7/16"
Proof Load 120,000 psi
Tensile Strength 150,000 psi
Rockwell Hardness C33 to C39
* This product's country of origin is subject to change

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