18.8 Diamter X 44.1mm BT40 Retention Knob for Mazak Machines ~ TPI is M16 X 2.0 thread. ~ Heat treated alloy steel hardened to HRC 52~56°. ~ All dimensions in accordance to MAZAK machine specifications. ~ Coolant thru. ~ L is 1.74 ~ L1 is .55 ~ L2 is .12 ~ D is .87 ~ d1 is .74 ~ d2 is .49 ~ d3 is .31 ~ d4 is .67 ~ A is 45°.

• TPI is M16 X 2.0 thread.
• Heat treated alloy steel hardened to HRC 52~56°.
• Coolant thru.
• A is 45°.
• All dimensions in accordance to MAZAK machine specifications.

TPI is M16 X 2.0 thread.ABS Import Tools, Inc.