High quality M10 tungsten carbide coal drilling bits - M10

The products were passed ISO9001 certification,and we aslo have the first service,workable price,excellent quality! - more info check here: http://www.buyindustrialtools.com/High-quality-M10-tungsten-carbide-coal-drilling-bits-12011994/

Quick Brief

Place of Origin: Hunan China (Mainland) Brand Name: ZZBT Model Number: M10 Type: Center Drill Bit Material: Tungsten Carbide Use: Metal Drilling use: drill bits for coal composition: wc+cobalt

Product Features:

The products were passed ISO9001 certification,and we aslo have the first service,workable price,excellent quality!

Business Terms:

Port: China main ports

Minimum Order Quantity: 20 Kilogram/Kilograms

Supply Ability: 20 Ton/Tons per Month

Payment Terms: T/T

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High quality M10 tungsten carbide coal drilling bits

Specifications and Product Details:

Tungsten carbide for mining and drilling purpose have good strength,primarily for coring crowns,electric coal drill bits,coal cutting picks,cone drill bits and scraping knife bits,etc.

There are many sizes for you choose.

Properties & applications of cemented carbide for mining purpose
approx grades in China	Density	TRS	Hardness	Performance & application recommended
approx grades in China	g/cm3	MPa	HRA	Performance & application recommended
YG4C	15.1	1800	90	Mainly used as small buttons for percussion bits to cut soft and medium hard formations.
YG6	14.95	1900	90.5	For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring.
YG8	14.8	2200	89.5	For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring.
YK05	14.95	2500	90.5	Mostly used as the buttons of small and medium sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations.
YG8C	14.8	2400	88.5
YK15	14.6	2450	87.6	Suitable to strips, conical buttons for rotary percussion-resistant, geological prospection buttons, cut soft and medium hard formations.
YK20	14.4	2500	86.8	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.
YK25	14.4	2550	87.2	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations.
YG11C	14.4	2700	86.5	Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations.
YG13C	14.2	2850	86	Primarily for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and very hard formations.
YG15C	14	3000	85.5	For oil cone drill bits, for medium soft and medium-hard rocks.
YG15	14	2500	87.5	Good strength and less wear resistance,for bits of rotary hammer rock drills and heavy rock drills,for hard and very hard rocks.