H.Paulin

Paulin® Papco® 077-489 Partial Threaded Hex Head Cap Screw, 3/8 in, 1 in L Under Head, 8 Grade, Medium Carbon Steel, Bare Metal

077-489 MFG #: 077-489
$0.23 / EA
In Stock
Paulin® Papco® 077-489 Partial Threaded Hex Head Cap Screw, 3/8 in, 1 in L Under Head, 8 Grade, Medium Carbon Steel, Bare Metal
  • Diameter - Thread Size: 3/8 in
  • Finish: Bare Metal
  • Grade: 8
  • Hardness: C33 to C39 Rockwell
  • Head Size: 9/16 in W x 15/64 in H
  • Head Type: Hex
  • Length Under Head: 1 in
  • Manufacturer Name: The Hillman Group
  • Material: Medium Carbon Steel
  • Material Specification: ASME B18.2.1-1996, SAE J429
  • Measurement System: Imperial
  • Minimum Thread Length: 1 in
  • Request For Quote: No
  • Series: 077
  • Tensile Strength: 150000 psi
  • Thread Type: UNC
  • Type: Partial Threaded
Paulin® Papco® Hex Head Cap Screw, Partial Threaded, Series: 077, Measurement System: Imperial, 3/8 in Thread, 1 in Length Under Head, 8 Grade, Medium Carbon Steel, Bare Metal, UNC Thread, 9/16 in W x 15/64 in H Head, Hex Head, 150000 psi Tensile Strength, Material Specification: ASME B18.2.1-1996, SAE J429, 1 in Minimum Thread Length, C33 to C39 Rockwell Hardness
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  • Item Features
  • Papco® grade 8 cap screws, identified by the six radial bar head marking, are made of medium carbon alloy steel, quenched and tempered for stronger, safer, more reliable mechanical joints
  • Six radial bars
  • Double heat treated
  • Use with grade 8 nuts to develop the full strength of the cap screw
  • Medium carbon steel quenched and tempered C: 0.25 to 0.55, P: 0.025 maximum, S: 0.025 maximum
  • For studs only, sulfur content may be 0.13% maximum
  • There shall be a sufficient hardenability to ensure a microstructure consisting of approximately 90% martensite in the core of threaded sections of the fasteners after hardening and quenching and before tempering