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HEAVY DUTY PLAIN BEARING DRILL CHUCK
tighter H4 thread class for reduced friction and greater torque
Parting line and flash removal
5 mm Protruding Length (LPR) 73
906″ Threads per Inch (TPI) 16 Flute Helix Angle (FHA) 0 Degrees Thread Tolerance Class (TCTR) | H5 | Tapping Prehole Diameter (Pre-hole) 11/16″ Overall Length (OAL) 4
N.C.K External Dial Caliper 2-7/8" to 3-7/8" Range, 0.001" Reading HSS Thread Forming HEAVY DUTY PLAIN BEARING DRILLN. C. K External Dial Caliper 2 7 8" to 3 7 8" Range, 0. 001" Reading PRODUCT DESCRIPTION External Dial Caliper FEATURES: Length of arm: 3 1 4" Dial graduation: . 001" Dial face diameter: 2" Button for opening arms. Arms automatically close when button is released. Carbide measuring points. Bezel rotates for zero setting. Used for checking outside diameters. Each instrument has a movement of 1". Can be set with a micrometer or ring gage. 2 7 8 3 7 8
