Certification: SGS, ISO 9001:2008
Packaging: plywood case
J.B multistep drill bits are popular among construction fields, which have high technology, high drilling efficiency and long grinding time. High quality materials and professional design, as well as advanced manufacturing technologies result in fast penetration, good performance and long service life.
Our drilling tools are widely used for drilling and quarrying in mining industries and other construction fields.
|No.||Products||Nominal Thread||Hole Diameter mm||Article Regular|
|1||Multistep Cross Bit||R76||130||JBR76130MCB|
|Raw Material||Production Process||Surface Treatment|
|Alloy steel||water glass investment casting||Electro-galvanized|
|Stainless steel||Silica sol investment casting||Spray-paint|