TRUSCO Diamond Taper File N4.25XT0.55 #170 TDHM4-170 1 piece

Catalog number: TDHM4-170 Features: ● Suitable for thin shafts and precision machining ● File base metal: High dimensional accuracy and moderate flexibility. ● Diamond: Custom-made diamonds have excellent wear resistance and grinding power. ● Coating: Uniform, strong retention and less likely to fall off. Applications: ● Grinding and polishing hard materials. ● For machining rib grooves in plastic molds. ● For machining thin grooves. ● For chamfering, grinding, and finish polishing. Specifications: ● Grain size (#): 170 ● Total length (mm): 130 ● Blade length (mm): 30 ● Dimensions (mm) T x T1 x N x N1: 0.55 x 1.30 x 4.25 x 4.0 ● Shaft diameter (mm): 3 Material/Finish: ● Chrome molybdenum steel (HRC45 approx.) ● Diamond abrasive grains ● Nickel (electroplated bond) ● Chromium (coating)