R32 R38 R51 3Blades Bits with drop centra

Payment Type: L/C,T/T
Delivery Time: 60 Days

Basic Info

Model No.: JBR3251TBL

Certification: SGS, ISO 9001:2008

Condition: New

Additional Info

Packaging: plywood cese

Transportation: Ocean,Land,Air

Product Description

Key Specifications:

  • Hole: 51 to 115mm
  • Thread type: R32, R38, R51, etc.
  • Raw material: alloy, carbon, carbide, stainless
  • Production process: casting, forging, machining, welding
  • Surface treatment: antirust, electro-galvanized, spray-paint, black coating, dacromet

J.B drill bits are popular among construction fields, which have high technology, high drilling efficiency and long grinding time.

No. Products  Nominal Thread      Hole       Diameter     mm      Article       Regular

3 Blades Bits  

          with             drop centra

R32 51 JBR3251TBL
2 76 JBR3276TBL
3 90 JBR3290TBL
4 R38 76 JBR3876TBL
5 90 JBR3890TBL
6 R51 90 JBR5190TBL
7 115 JBR51115TBL

Raw Material Production Process Surface Treatment
Carbon steel Machining Antirust
Alloy steel water glass investment casting Electro-galvanized
Stainless steel Silica sol investment casting Spray-paint
Carbide Forging Black coating
Welding Dacromet

Contact Information


J.B Machinery (Ningbo) Co., Ltd.

Contact Person: Peggy Xing



Address: Guoyichang, Hengxi, Yinzhou, Ningbo, Zhejiang,Ningbo,Zhejiang

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