产品系列
PRODUCT LINE
The pre-drilling holes are bigger than normal sized holes
Suitable for through hole in faster cutting speed than other taps due to thick web
服务热线：
025-5213 6816
产品系列
PRODUCT LINE
The pre-drilling holes are bigger than normal sized holes
Suitable for through hole in faster cutting speed than other taps due to thick web
服务热线：
025-5213 6816
