GB93 Lock Washer

FULLERKREG supplies GB93 helical spring lock washers across a full range of materials and surface treatments. GB 93-1987 is the Chinese national standard for helical spring lock washers, functionally equivalent to DIN 127 Type B. All products are manufactured to strict GB93 dimensional tolerances and are available for wholesale and bulk supply.

Product Variants — Browse by Material & Finish

GB93 Lock Washer — A2 Stainless Steel (SUS304), Whitened & Passivated
A2 stainless steel (SUS304) · Whitened & passivated · M2–M48 · Non-magnetic · General corrosion resistance · Food-safe

GB93 Lock Washer — A4 Marine Stainless Steel (SUS316), Whitened & Passivated
A4 stainless steel (SUS316) · Whitened & passivated · M2–M48 · Marine-grade · Mo 2–3% · Superior chloride & seawater resistance

GB93 Lock Washer — Duplex 2205 Stainless Steel, Whitened & Passivated
Duplex 2205 · Whitened & passivated · M2–M48 · Ultra-high strength · Extreme corrosion resistance · Offshore & chemical industry

GB93-85 Lock Washer — 65Mn Spring Steel, 430–510HV, Zinc Plated
65Mn spring steel (GB/T 1222) · Mechanical zinc plating · M2–M48 · 430–510 HV · High spring force · Outdoor corrosion protection

GB93-85 Lock Washer — 65Mn Spring Steel, 430–510HV, Black Oxide
65Mn spring steel (GB/T 1222) · Black oxide · M2–M48 · 430–510 HV · Matte black · No hydrogen embrittlement · Precision indoor use

GB93-85 Lock Washer — 70# Spring Steel, Zinc Plated
70# spring steel (GB/T 699) · Mechanical zinc plating · M2–M48 · 40–50 HRC · High spring force · Outdoor corrosion protection

GB93-85 Lock Washer — 70# Spring Steel, Black Oxide
70# spring steel (GB/T 699) · Black oxide · M2–M48 · 40–50 HRC · Matte black · No hydrogen embrittlement · Heavy-duty indoor use

How to Choose the Right Grade

GB93 Standard Overview

• Standard: GB 93-1987
• Type: Helical spring lock washer
• Equivalent: DIN 127 Type B (functionally equivalent, largely dimensionally compatible)
• Size range: M2–M48
• Performance standard: GB 9/T94.1-2008
• All grades RoHS & REACH compliant

Product Photo Gallery

FULLERKREG GB93 Lock Washers — product range overview:

Why Choose FULLERKREG?

• 🏭 Direct manufacturer — factory in China, no middlemen
• 📐 Strict GB dimensional control — 100% inspection on critical dimensions and hardness
• 🌍 Global export experience — serving distributors in Europe, North America, Southeast Asia
• 📦 Flexible MOQ — small trial orders and large bulk shipments both welcome
• 📋 Full documentation — material certs, hardness reports, RoHS declarations on request
• ⚡ Fast lead times — standard sizes in stock, ready to ship

FULLERKREG Fasteners — Precision GB and DIN Standard Fasteners, Direct from Manufacturer.
For wholesale inquiries, technical questions, or custom orders, please contact our sales team.