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Tungsten Carbide Tools PDC Drilling Bit For Coal Mining TBM Tunnel Boring Machine

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Product Details

Brand Name	RZ		Place of Origin	China
Model Number	RZ-2-6

Certification:CE/ROHS/FCC/SGS/ISO
Tbm tunnel boring machine carbide tips coal mining rock drill bits

Type:1.TCI single cutter

2.Milled tooth(steel tooth) single cutter

Size:6 3/4,7 1/2,8 1/2,9 7/8,12 1/4,17 1/2...

IADC:standard IADC including 111 to 837

Bearing sealed:metal sealed,rubber sealed,not sealed.

Color:blue,golden,green or as customer requirements.

Formation:soft, soft to medium hard, medium hard, hard, very hard.

Packing:wooden case.

IADC	WOB (KN/mm)	RPM (r/min)	Applicable Formations
111	0.3~0.75	200~80	Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc.
121	0.3~0.85	200~80	Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc.
131	0.3~0.95	180~80	Soft to medium formations with low compressive strength and high drillability, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc.
211	0.35~0.95	180~80	Medium formations with high compress strength, such as medium soft shale, hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc.
241	0.35~0.95	180~70	Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc
321	0.4~1.0	150~70	Hard semi-abrasive formations, such as abrasive shale,limestone,sand stone,dolomite, hard gypsum,marble,etc.

China?National?Complete?Plant?&?Tools?Co.?Ltd.: Contact nameMr. Qin
Chat Now; Phone86-010-88029158; Address507, 509, FangYuan Mansion, ZhongGuanCun Street, Haidian Distric. Beijing, P.R. China, Zibo, Shandong

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