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Custom Made Shoulder Bolt

A shoulder bolt (also known as a stripper bolt or shoulder screw) is a precision fastener with a distinct cylindrical shoulder between the head and the threaded portion. Unlike standard bolts, the unthreaded shoulder acts as a pivot, spacer, or bearing surface in mechanical assemblies.

Feature of Shouler Bolt

  • Head: Flat / Hex / Socket / Thumb / Headless
  • Smooth Shoulder (cylindrical, unthreaded, and precisely machined for tight tolerances).

Common Use

  • Pivots and Hinges 
  • Spacers and Standoffs
  • Automotive and Aerospace

Material and Plating

  •  Material: Steel, Alloy Steel, Stainless Steel
  • Plating: Galvanized, Nickel, Passivated, DACROMET

Type of Shoulder Bolt

  • Standard Shoulder Bolts 
  • Stripper Bolts (Mold Shoulder Bolts)
  • Shoulder Screws with Undercut

Over 30+ Types

King Tower offer a wide range of shoulder bolts solutions to meet your specific needs.

Recommended Shoulder Bolts

Hex Head Shoulder Screw

Stainless Shoulder Bolt

External Hex Shoulder Bolt

Zinc-Nickel Alloy Shoulder Bolt

316 Stainless Steel Shoulder Bolt

Metric Low-Profile Shouder Screw

About King Tower

With 20+ years custom made experience, we offer the most reliable source for high quality fastener parts ranging from screws and bolts to CNC machining parts, stamping parts, and more.

Why Choose Us

King Tower fasteners are meticulously crafted according to customer's drawings or samples to ensure that they meet precise specification. With years of production experiences and  production machines, King Tower wide diverse range of fasteners are featured with hundreds of materials, head type, thread style, size, heat treatment, plating and secondary operation.

Over 200 units Machines

King Tower equipped with different production machine contain cold heading forming machine, thread rolling machine, programmable CNC machines, automatic lathe machines, spring machine and stamping machine, and include secondary process machine like drilling machine, cutting machine and grooving machines, to meet the complex fastener production.

Diverse range of test machines

King Tower with a comprehensive array of testing machinery, that can meticulously assess various aspects, including salt spray test machine, two-dimensional image measuring instrument, hardness test machine, optical image screening machine and torque machine. King Tower used these testing equipment to thoroughly evaluate the performance, durability, and safety of their offerings.

Diversity of customized fasteners

King Tower produced screw thread diameter from 0.8mm to 20mm, length from 2mm to 400mm, with specialized material include carbon/alloy steel, stainless steel, aluminum, brass and titanium. Full rang of surface treatment including electroplating (Blue, Black, White, Yellow, Rose Gold, Silver ect.), Nickel, Passivated, DACROMET, laser engraving and vacuum coating.

Start Your Project

Get your project moving today. Contact us for a quote on a custom part, pricing, lead time, or other questions. Our team will get back to you within 1-2 hours on business days, and will be sure to route you to the best person to support your needs.