Tungsten Carbide Buttons For Oil Field K30 Flat top Buttons Eccentric Wedge Button Drilling Material YG8 Co 8% WC 92% T.R.S 2400 Hardness HRA 90 Grain ...
Tungsten Carbide Buttons For Oil Field K30 Flat top Buttons Eccentric Wedge Button Drilling Material YG8 Co 8% WC 92% T.R.S 2400 Hardness HRA 90 Grain ...