Paulin® 131-504 Fully Threaded Heat Treated Carriage Bolt, 3/8 in, 4 in L Under Head, Medium Carbon Steel, 5 Grade, Bright Zinc Plated
31353531
MFG #: 131-504
Requires Quote
Paulin® Carriage Bolt, Fully Threaded Heat Treated, Series: 131, Measurement System: Imperial, 3/8 in Thread, 4 in Length Under Head, Medium Carbon Steel, 5 Grade, Bright Zinc Plated, Square Neck, 120000 psi Tensile Strength, 1 in Thread Length, UNC Thread, C25 to C34 Rockwell Hardness, Material Specification: ANSI B18.5, Round Head
- 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%
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