H.Paulin

Paulin® Papco® 073-307 Partial Threaded Hex Head Cap Screw, 1/4 in, 3/4 in L Under Head, 5 Grade, Medium Carbon Steel, Bare Metal

073-307 MFG #: 073-307
$0.11 / EA
Non-Stock Item
Paulin® Papco® 073-307 Partial Threaded Hex Head Cap Screw, 1/4 in, 3/4 in L Under Head, 5 Grade, Medium Carbon Steel, Bare Metal
  • Diameter - Thread Size: 1/4 in
  • Finish: Bare Metal
  • Grade: 5
  • Hardness: C25 to C34 Rockwell
  • Head Size: 7/16 in W x 5/32 in H
  • Head Type: Hex
  • Length Under Head: 3/4 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: 3/4 in
  • Request For Quote: No
  • Series: 073
  • Tensile Strength: 120000 psi
  • Thread Type: UNC
  • Type: Partial Threaded
Paulin® Papco® Hex Head Cap Screw, Partial Threaded, Series: 073, Measurement System: Imperial, 1/4 in Thread, 3/4 in Length Under Head, 5 Grade, Medium Carbon Steel, Bare Metal, UNC Thread, 7/16 in W x 5/32 in H Head, Hex Head, 120000 psi Tensile Strength, Material Specification: ASME B18.2.1-1996, SAE J429, 3/4 in Minimum Thread Length, C25 to C34 Rockwell Hardness
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  • Item Features
  • Papco® grade 5 cap screws, identified by the three radial bar head marking, are made of medium carbon steel, quenched and tempered for higher tensile strength and holding power
  • Double heat treated
  • Medium carbon steel quenched and tempered C: 0.28 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