SP 502976U Aftermarket Piston Driver Compatible With Paslode/Duo-Fast DF225C Coil Siding Nailer, Pneu Tools CN65Z, SpotNails QCND65, Complete CN565Z - US S7 Material

Compatible with DF225C/ CN65Z/ QCND65/ CN565Z | Manufactured from aerospace grade aluminum | US S7 Steel Designed with our UNI-LOK technology that hydraulically crimps the grooves of the shaft to ensure the piston driver never unscrews. The aluminum piston driver is heat treated to maintain strength and durability for excessive use and wear and tear. | Driver is annealed at the threaded end to lower the hardness and make the material more ductile for improved shock resistance. Rockwell Hardness Testing: Standard alloy drive hardness ranges between 56-59 HRC along the shaft. Alldrivers are crimped at the aluminum base and can withstand a of 80 N-M (59ft-lb) before the aluminum shears off. Specifications: Material: Premium Grade Aluminum and US S7 Steel | Hardness: 59 HRC