Model No.: JBR3890BLT
Certification: SGS, ISO 9001:2008
Packaging: plywood case
J.B drill bits are popular among construction fields, which have high technology, high drilling efficiency and long grinding time.J.B drill bits are widely used for drilling and quarrying in mining industries and other construction fields. It is especially fast and efficient when drilling in hard and medium-hard rock.
|No.||Products||Nominal Thread||Hole Diameter mm||Article Regular|
|Raw Material||Production Process||Surface Treatment|
|Alloy steel||water glass investment casting||Electro-galvanized|
|Stainless steel||Silica sol investment casting||Spray-paint|