Reduction for Drill Bits Adapter

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

Basic Info

Model No.: JBR3251RDB

Certification: SGS, ISO 9001:2008

Condition: New

Additional Info

Packaging: plywood case

Transportation: Ocean,Land,Air

Product Description

Key Specifications:

  • Hole: 51 to 150mm
  • Thread type: R32, R38, R51, R76, T30, T40, T52, T73, T76, 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 anchor nuts have great reliability but low operating cost. 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     Reduction            for          Drill Bits R32 51 JBR3251RDB
2 76 JBR3276RDB
3 R38 76 JBR3876RDB
4 90 JBR3890RDB
5 R51 90 JBR5190RDB
6 100 JBR51100RDB
7 115 JBR51115RDB
8 130 JBR51130RDB
9 T30 51 JBT3051RDB
10 76 JBT3076RDB
11 T40 76 JBT4076RDB
12 90 JBT4090RDB
13 T76 130 JBT76130RDB
14 150 JBT76150RDB

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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