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hex.19mm, hex.22mm, hex 25mm tapered drill steels

Good quality Button Drill Bits for sales
Good quality Button Drill Bits for sales
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hex.19mm, hex.22mm, hex 25mm tapered drill steels

China hex.19mm, hex.22mm, hex 25mm  tapered drill steels supplier

Large Image :  hex.19mm, hex.22mm, hex 25mm tapered drill steels

Product Details:

Place of Origin: China
Brand Name: PRODRILL
Certification: ISO:9001, CE
Model Number: Size: hex.19mm, hex.22mm, hex 25mm

Payment & Shipping Terms:

Minimum Order Quantity: 5 Pcs
Price: Negotiable
Packaging Details: Wooden box
Delivery Time: 3 to 15 days
Payment Terms: T/T, L/C, Western Union etc.
Supply Ability: 50000Pcs/Month
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Detailed Product Description

Description:Tapered drill rod,another name called taper rod, tapered drill steels, This provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain 
the proper shank striking face position in the rock drill, and a tapered bit end. Tapered steel lengths— 
available from 0.6 mto 3.6 m in length—are measured from the collar to the bit end. 

Shank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm,  25 mmX159 mm  6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly imports for excellent drilling productivity. 

For drilling medium-hard to hard and abrasive rock formations,Taper angles of 11 and 12-degrees are 
normally used on modern drill rigs, likeour model no. PD-Y58 crawler hydraulic rock drill. Also for Y6, Y10, Y24, YT24, Mobile rock drill pneumatic and hydraulic. 

For low impact rock drills and softer rock formations, a narrow tape range of 7 degrees is used, such as 
Indian, Saudi’s granite and marble quarry. 

A comprehensive range of taper button bits, cross bits and chisel bits with 6, 7, 11, 12 degreetaper, drill 
hole diameter: 28mm-57mm. 

Product features

Carburization is a process used to harden the entirerod surface both internally and externally to strengthen and extend the life of the rod. Carburization is a process used to harden the entire rod surface both internally and externally to strengthen and extend the life of the rod.

Tapered Drill Rod Specifications

  • Steel grade: 95CrMo Equivalent to SANDBAR 20 or C253, 55SiMnMo
  • Size: hex.19mm, hex.22mm, hex 25mm
  • Diameter: 0.4m-10m.
  • Taper degree: 7°11°and 12°etc.
  • Package:in wooden case or bundles
  • Productivity: 10000MT/month
  • Shank size Length in mm Diameter in mm Part number
    19x108 200 17 0721 2017-20
    19x108 250 17 0721 2517-20
    19x108 300 17 0721 3017-20
    19x108 200 20 0721 2020-20
    19x108 250 20 0721 2520-20
    19x108 300 20 0721 3020-20
    19x108 200 23 0721 2023-20
    19x108 250 23 0721 2523-20
    19x108 360 23 0721 3023-20
    Shank size Length in mm Diameter in mm Part number
    22x108 200 17 0711 2017-20
    22x108 250 17 0711 2517-20
    22x108 300 17 0711 3017-20
    22x108 200 20 0711 2020-20
    22x108 250 20 0711 2520-20
    22x108 300 20 0711 3020-20
    22x108 200 23 0711 2023-20
    22x108 250 23 0711 2523-20
    22x108 360 23 0711 3023-20
    Tapered Drill Steel
    Shank size Length in mm Length in feet Part number
    22X108 610 2 0610-xx*
    22X108 1220 4 1220-xx*
    22X108 1830 6 1830-xx*
    22X108 1980 2006-1-2 1980-xx*
    22X108 2440 8 2440-xx*
    22X108 3050 10 3050-xx*
    22X108 3660 12 3660-xx*
    22X108 5485 18 5485-xx*
    22X108 6400 21 6400-xx*
    22X108 7315 24 7315-xx*
    Shank size Length in mm Length in feet Part number
    25X108 1500 4,9 1500-7*
    25X108 1830 6 1830-7*
    25X108 2000 2006-1-2 2000-7*
    25X108 2200 7,2 2200-7*
    25X108 3050 10 3050-7*

 

Contact Details
Xiamen Prodrill Equipment Co., Ltd

Contact Person: Prodrill

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