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Trend Tool Steel Wrist Pins

H13 is a tool steel that Trend uses to good effect for the production of premium piston pins. It is
probably the best all-round material for most applications, especially in power-adder engines; it is
also a popular choice in Pro Stock drag racing engines.
The H13 piston pin, which has a Rockwell hardness value around Rc54, has largely succeeded the
alloy steel 9310 pin, probably because it accepts a DLC (Diamond-Like Carbon) coating better than the
9310. The 9310 material tempers (degree of hardness) at around 300 degrees while the H13 tempers in
the neighborhood of 1000 degrees. The temperature for applying the DLC is around 400 degrees. So
the application of DLC changes the structure of the alloy steel. However, the advantages of applying
diamond-like coatings to alloy steels still out-weigh the disadvantages.


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Trend Tool Steel Wrist Pins .748-.912 Diameter

Part#: H.748-.912WP

Price: $31.62
Sale Price: $26.34

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Trend Tool Steel Wrist Pins .927-.984 Diameter

Part#: H.927-984WP

Price: $31.62
Sale Price: $26.34

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Trend Tool Steel Wrist Pins .990 Diameter

Part#: H.990WP

Price: $31.62
Sale Price: $26.34

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Trend Tool Steel Wrist Pins 1.031-1.094 Diameter

Part#: H1.031-1.094WP

Price: $31.62
Sale Price: $26.34

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