botton bit
1, ISO&API
2, hight quality
3, resonable price,excellent in quality
1, ISO&API
2, hight quality
3, resonable price,excellent in quality
Medium to hard formations with high compressive strength and low abrassiveness.
Such as shale, limeston, mudstone, sandstone
Available sizes
Such as shale, limeston, mudstone, sandstone
Available sizes
60mm,65mm,76mm,93mm,95mm,98mm(3 7/8”),101.6mm,114mm,118mm,120mm,127mm(5”)
130.1mm(5 1/8”),133.3mm(5 1/4”),139.7mm(5 1/2”),142.8mm(5 5/8”),149.2mm(5 7/8”)
152.4mm(6”),155.5mm(6 1/8”),158.7mm(6 1/4”),161.9mm(6 3/8”),165.1mm(6 1/2”)
190.5mm(7 1/2”),193.6mm(7 5/8”),200.0mm(7 7/8”)
212.7mm(8 3/8”),215.9mm(8 1/2”),222.2mm8 3/4”)
241.3(9 1/2”),244.4(9 5/8”),250.8(9 7/8”)
269.8(10 5/8”),295.3(11 5/8”)
311.1(12 1/4”),346.0 (13 5/8”),349.2(13 3/4”)
374.6(14 3/4”)
381(15”),393.7(15 1/2”),406.4(16”)
444.5(17 1/2”),508(20”),558(22”),609.6(24”)
660.4(26”)