We are a professional manufacturer of Core Pins, Metric Core Pins,Punch Pin, Parallel Pins, Pin Punches,EjectorPins,Guide Pins, Dowel Pins, , Guide Pillar, Guide Bush sets of stairs Lead Guides and Step Guides for PCB board mold and FPC board mold in China. Our production process is in line with the international standard. We can produce pins with diameter from 0.35mm to 12mm, and length from 27.5mm to 30.5mm. The tolerance is about 0.005mm. All the pins are made of SKH9 materials imported from Japan. We have rich experience in manufacturing high precision and high hardness tool accessories and machinery accessories.Our first priority is to provide the best pcb mold accessories for our customers. If you are interested in our products, please contact us at your convenience. ITEMPin PunchesSpecifications and Variables Highly polished finish 6-8 micro finish. Precision form ground to close diameter tolerance +.0002/-.000. Common fractional sizes available up to 3 1/2" long. M-2 high speed steel 60-62 Rockwell C. Custom sizes can be made to order up to 1" diameter. Custom hardness RC 61-63 and triple drawn available on request. TYPEOversizeMATERIALHSS M-2, SKH-9, SKD11FINISHBlackNOMINAL DIAMTER1/4’’OVERALL LENGTH11/4’’LENGTH TOLARANCE+/-0.01’’DIA.0.2501 to 0.2503DIA. TOLERANCE0.0002’’HARDNESSHRC61°-63°PACKAGING QUNATITY100WEIGHT2.00PLACE OF ORIGINJiangsu, China(Mainland)MACHINE TYPEPunching Machine