Item: Inner thread button bit Model No.: 45-115mm Inner thread button bit HS Code: 820719

Feature: 1. 5-15 buttons on the top 2. Hard alloy made. 3. Easy operation and maintenance

Model	Bit dia. (mm)	Button No.	Connect  thread(d)
45mm	45	5-7	R32
48mm	48	5-7	R32
51mm	51	5-9	R32
60mm	60	5-9	R32
64mm	64	8-10	R38  T38
76mm	76	10-13	T38  T45
89mm	89	12-14	T38  T45  T51
102mm	102	12-14	T45  T51
115mm	115	13-15	T45  T51

Inner Thread Button Bit