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Probe Industries currently offers several types of Wrist Pins, all with unbeatable quality. These include: 8620 and 5115 Carbon Steel, in addition 52100 and H13 tool steel for your high performance needs.
8620 Bar Stock
Probe Industries 8620 Carbon Steel Wrist Pins are designed to deliver the ultimate in weight reduction while maintaining maximum strength. They are manufactured from aircraft quality chrome-moly. All our 8620 pins are centerless ground, heat treated, and end ground, and will work in full floated or press fit applications. They are available straight cut to suit applications in which spiral locks are to be used.
5115 Carbon Steel
Probe Industries 5115 Carbon Steel Wrist Pins are designed to deliver the ultimate in weight reduction while maintaining maximum strength. They are manufactured from aircraft quality chrome-moly. All our 5115 pins are centerless ground, heat treated, and end ground, and will work in full floated or press fit applications. They are available chamfered for use with wire locks, as-well-as straight cut to suit applications in which spiral locks are to be used.
52100 Tool Steel
Probe Industries 52100 Bearing Steel Wrist Pins are designed to deliver the ultimate in weight reduction while maintaining maximum strength. 52100 provides high tensile strength with decreased ductility compared to H13. It is suitable for the most punishing conditions.
H13 Tool Steel
Probe Industries H13 Tool Steel Wrist Pins are designed to deliver the ultimate in weight reduction while maintaining maximum strength. H13 provides 289.000 psi tensile strength with a ultimate yield strength of 239,000 psi, along with increased ductility (30,500 ksi) compared to alternative materials. H13 tool steel pins are available in both straight and taper wall designs. Both are suitable for virtually all racing applications.