
304 (A2) · 316 (A4) · Mild Steel
Hobson Engineering Tooth Lock Washer
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Measurement
Type
Size (diameter)
Length
Pitch / thread
Finish / coating
Grade / strength
Z/P EXT-TLOCK WASHER: M12
WLMSZTEM12
Tooth Lock Washer (external tooth) in mild steel. Zinc-plated for light corrosion resistance in dry or indoor conditions. Made to IFI 532 TYPE A.
Specifications
- Standard
- IFI 532 TYPE A
- Grade / class
- Mild Steel
- Material / finish
- Zinc Plated
- Type
- External tooth
Buy by the
Sold by the box (1,000 ea). Prices on application, request a quote and we’ll price your list.
Documents & data sheets for this selection
- Anti-Vibration Paper
- Hobson Washers Product Guide
- Product Finish Comparison
- Types of Washers
- Washer Gauge Conversion Chart
Showing documents relevant to the selected variant. Courtesy of Hobson Engineering.
About the Tooth Lock Washer
Tooth (star) lock washers have serrated teeth that dig into the bolt head/nut and the surface to resist rotation. Internal, external and serrated patterns in zinc-plated steel and stainless.
Also known as: Star Washers, Shakeproof Washers, Serrated Washers.
Features
- Teeth bite to resist loosening
- Internal, external and serrated tooth
- Zinc-plated and stainless
- Metric and imperial
Applications
- Electrical earthing and bonding
- Sheet-metal and panel fixing
- Vibration-prone joints
Standards & specification
- DIN 6798 Type A LOCK / A2
- DIN 6798 Type J / A2
- DIN 6797 Type A / A2
- DIN 6797 Type J / A2
- DIN 6798 Type A / A4
- ASME B18.21.1 TYPE A
- IFI 532 TYPE A
Need Tooth Lock Washer in bulk?
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