An extremely strong precipitation hardened stainless steelshoulder bolt s

17-4 PH shoulder bolts are made from a precipitation hardened stainless steel most known for its exceptional strength and its ability to maintain its mechanical properties to 600°F. Compared to 316 stainless steel, 17-4 PH bolts yield strength is up over 4 times greater. When compared to Duplex 2205 bolts, the yield strength of 17-4 PH can be up to 2-½ times greater.

17-4 shoulder bolts are available in 8 different aged (precipitation hardened) conditions offering a variety of mechanical properties (see below)

Resources: 17-4PH Torque Specs

17-4 PH Bolt Types: Hex BoltsShoulder Bolts

 


17-4PH Shoulder Bolt Features and Benefits

17-4PH shoulder bolts, also called stripper bolts are a unique fastener with three main parts: head, shoulder, and thread. The head has the largest diameter and is where the torque is applied, typically with a socket driver. The shoulder is smooth and unthreaded, and has a set diameter and length. The shoulder’s role is to act as a shaft or dowel for rotating parts, axles for rolling parts, guides for sliding elements, and pivot points. The final part of a 17-4PH shoulder bolt is the threaded shaft. The threaded portion of a shoulder bolt has a major diameter slightly smaller than the shoulder diameter. 

 


17-4PH Chemistry & Specifications

17-4PH Specifications: UNS S17400, AISI 630, ASTM A564-630, Werkstoff 1.4542, AMS 5604 Sheet, Strip and Plate, ASTM A 693 Plate

17 4 PH Chemistry


Common 17-4 Fastener:  Aged Conditions vs Tensile Strength

Tensiled Data vs Aged Condition

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