Spring Straight Series: 1. GB879-76、GB879-86 standard spring pins; 2. tooth-shaped spring pins, special shanks for shoe heels; 3. GB879-3，GB879-2000 multiturn spring pins; 4. BS, JIS, DIN and IFI spring pins; 5. The above products can be produced with manganese steel, stainless steel and other customized materials. Specification: φ1-φ50. Straight Pins Series: 1. GB119 straight pins; 2. GB120 internal threaded straight pins; 3. 117 taper pins; 4. 118 internal threaded taper pins; 5. 880 pins with hole The products above can be produced with carbon steel or stainless steel or other specified materials by clients. Specification: φ1-φ50. Flat Key Series: 1. GB1096 A、B、C types flat keys, specifications: φ2-φ60; 2. GB1099 woodruff keys; 3. GB1565 gib headed key. The products above can be produced with common steel, medium carbon steel, high carbon steel, stainless steel or other materials. 弹性销,圆柱销,圆锥销,销轴,内螺纹圆柱销,内螺纹圆锥销,平键,半圆键,槽键,钩头键等标准件 Spring pins, straight pins, taper pins, clevis pin with head, internal threaded straight pins, internal threaded taper pins, flat keys, woodruff keys, slotted keys, gib headed keys and other standard fasteners.