M8×60 Star Hand Knob Screw – Alloy Steel Clamping Knob

M8×60 Star Hand Knob – Secure, Tool-Free Clamping for Machinery & Equipment

The M8×60 Star Hand Knob Screw is a precision-engineered clamping fastener designed for quick, tool-free tightening across a wide range of mechanical, industrial, and workshop applications. Crafted from 45# alloy steel with a galvanized finish for enhanced durability and wear resistance, this star knob delivers a secure grip and smooth operation every time.

Made in Mainland China.

Key Features

• Ergonomic Star Design: Multi-lobe star shape allows comfortable, firm hand grip for optimal torque without tools.
• Galvanized Finish: Zinc coating improves wear resistance and protects against corrosion for long-lasting performance.
• Clean, Precise Threads: Accurately machined M8×60 threads ensure easy installation and a secure, rattle-free fit.
• Wide Application: Ideal for mechanical equipment, precision instruments, food processing machinery, and industrial apparatus.
• Multiple Package Options: Available as knob only (Package A), knob + rubber gasket (Package B), or rubber gasket only (Package C) — choose what fits your project.

Specifications

Package Options

• Package A: 1× Star Hand Knob
• Package B: 1× Star Hand Knob + 1× Rubber Gasket
• Package C: 1× Rubber Gasket only

Important Notes

• 1 cm = 10 mm = 0.39 inch for reference.
• Actual color may vary slightly from images due to monitor brightness and lighting conditions.
• Please allow slight measurement deviation due to manual measurement.

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For workplace fastener safety guidance, visit OSHA's Fastener Safety Resources.

Learn more: Screw

Frequently Asked Questions

Q: What thread size is this star hand knob screw?

A: This star hand knob uses an M8×60 thread — M8 refers to the 8mm metric thread diameter and 60 is the thread length in millimeters, making it compatible with a wide range of standard M8 threaded fixtures and equipment.

Q: What material is the star knob made from?

A: The knob is manufactured from 45# alloy steel with a galvanized finish, providing excellent durability, wear resistance, and corrosion protection suitable for both industrial and workshop environments.

Q: Can this knob be tightened by hand without any tools?

A: Yes — the ergonomic multi-lobe star shape is specifically designed for comfortable, firm hand-tightening without the need for additional tools, making adjustments fast and convenient.

Q: What is included in each package option?

A: Package A includes 1 star hand knob only. Package B includes 1 star hand knob plus 1 rubber gasket. Package C includes 1 rubber gasket only. Select the option that best suits your application.