Pins and Sleeves

Small Pins
Core Pins with TiN Coating
Long Ejector Pins

GS Machining Co., LTD offers a complete line of precision pins and sleeves with different steels and carbide. They include core pin,  ejector pin, dowel pin, locating pin, pin gauge etc. They are applied to metal stamping, cold forming, plastic injection and die casting industries. We has the engineering expertise and experiences to supply special and custom core pins, ejector pins & sleeves for our customer’s existing as well as new applications. Our good quality products result in our clients having improved in-plant productivity and quality performance as well as reduced manufacturing costs.

GS Machining capabilities include but are not limited to:

  • Manufacturing Diameters minimum to 0.4mm while holding tolerances down to 0.001mm
  • Manufacturing Point Diameters down to 0.08mm.
  • Surface finishes down to Ra0.1
  • Manufactured in both in Metric and British for special and custom ejector pins.
  • Concentricity up to 0.005mm, depending on part design could be tighter.
  • Offer the widest range of in-stock materials including but not limited to A2, D2, M2, M42, M50, H13, 1.2343, 1.2379, 1.2516, 1.7131, 1.3343, HSS, SKD11, SKH 9, SKH51, S600.
  • Offer imported and home tungsten carbide including but not limited to CD650, AF312, MG18, MG30, WF30,WF40, KG7, YG15, YL10.2
  • 300 series Stainless Steel and 400 series Stainless Steel as well as other grades.

Why Choose Us?

  • Quick Response
    Response in 12 hours and comprehensive quotation will be offered in 24 hours. Valuable advices will be offered from our experienced team.

  • Advanced Equipments
    Wire-EDM from Seibu of Japan, Mirror-EDM from MITSUBISHI of Japan, CNC Grinding Machines etc.

  • Competitive Price
    Located in World Manufacturing City: Dongguan, Guangdong, China. Thanks to complete supply chain here, competitive price can be offered.

  • No MOQ Limitation
    One piece is acceptable and No MOQ limitation. You can have a free choice on your order’s quantity.

  • Free Samples
    Free samples can be provided. Avoiding any quality deviation before placing an order.

  • 100% Quality Control
    100% quality control during production and before delivery. QC reports can be offered together with delivery.

  • On-Time Delivery
    Products delivered by days, not weeks. For simple parts, 3-5 days is available.

  • After-sale Service
    If you aren’t satisfied with our parts, refund your money or replacements will be arranged. No risks of losing money.

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