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Rock Bit

  • Origin: China
  • Supply Type: oem service
  • Min Order: 1

Supplier Info.

  • Employees Total 11-50
  • Annual Revenue Above US$100 Million

Our products are mainly used in large-scale open mining of iron ores, nonferrous metal ores, coal mine and hydrogeologic prospecting, etc. I Product Series of Rock Bit 1.  Kx54 series, Kx64 series2.  74 series3.  84 series II Data Table of Rock BitÂ

Product SerriesTypeColor of BitFeatures of RockExamples of RockRecommended Weight on Bit(WOB)Revolutions per Minute
Kx5----01234YellowSoft rock & Medium-hard rock of low compressive strengthShale,Sandstone, Soft limestone(kg/cm.c)200-700(1b/IN.c)1121--5046(rpm.)80--120
Kx6----01234GreenMedium-hard rock of high compressive strengthHard shale, Sandstone, Limestone,Dolostone(kg/cm.c)500-900(1b/IN.c)2804--5046(rpm.)60--100
Kx7----01234BlueHard rock of half-abrasiveness or abrasivenessQuartz sandstone,Hard dolostone,Granite(kg/cm.c)700-1500(1b/IN.c)3925--8410(rpm.)50--80
Kx8----01234RedSuper hard rock of abrasivenessGranite,Basalt,Magnetite rock,   Taconite(kg/cm.c)700-1500(1b/IN.c)3925--8410(rpm.)50--80

  III.Corresponding table of bit size, threads and nozzle's sizeÂ

Bit SizeConnecting ThreadsExternal Diameter of NozzlesAssemble Length of NozzlesInternal Diameter of Nozzles
In.mmIn.In.mm.In.mm.In.mm.
5-7/8150API 3-1/2 Reg15/162425/32203/815/3219/3221/3210121517
6-1/4158API 3-1/2 Reg15/162425/3220
6-1/2165API 3-1/2 Reg15/162425/3220
6-3/4170API 3-1/2 Reg15/162425/3220
7-3/8187API 3-1/2 Reg15/162425/3220
7-7/8200API 4-1/2 Reg15/162425/322015/3219/3221/323/425/321215171921
8-1/2215API 4-1/2 Reg1-3/163031/3225
8-3/4225API 4-1/2 Reg1-3/163031/3225
9-7/8250API 6-5/8 Reg1-3/163031/3225
10-5/8270API 6-5/8 Reg1-3/163031/3225
11280API 6-5/8 Reg1-3/163031/3225
19/3221/323/425/3227/327/828/3215171920212223
12-1/4310API 6-5/8 Reg1-11/32341-3/835
12-3/4350API 6-5/8 Reg1-11/32341-3/835
15380API 7-5/8 Reg1-11/32341-3/835

  IV,Coating Rock-bit for delivery V. Derivative productMature technology of mining rock-bit has been introduced into the construction field to develop the combined bit and its related product for large scale project. The 800-3000mm large combined cutter-bit have achieved excellent performance in piers, cofferdams and tunnels' drilling construction. "Quality first,reputation above all" is our forever business principle. We serve the international market with first class quality product and update service. Â

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