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tungsten carbide coal drill bits, 1. ISO9001, 2. technical superiority, 3. fast delivery, 4. good after-sale - details see: https://www.machineto.com/tungsten-carbide-coal-bits-coal-drill-bits-10316984

tungsten carbide coal bits coal drill bits

About Us

We are a professional manufacturer specialized in series of drill tools:PDC, PDC drillbits, diamond drill bits, etc. We can also produce other products according to the customers requirements. We sincerely welcome our friend both home and abroad to come for business talks.

About Products

Name	tungsten carbide coal bits
Brand	Drills-King
Size	25, 27, 28, 29, 30, 32, 36, 42 , 43mm, etc.
Application	mainly used in coal and mine drilling
Normal Thread Model	M16*2; M14*1.5, M12*1.75; M14*1.5; M12*1.75
Types	dry-type & wet-type

Specifications of tungsten carbide coal bits

Tungsten carbide drill bits			Main Standard(mm)
			D	H	L	M
Thread joint			27	44	17	M14×1.5
			27	54	17	M12×1.75
			28	54	20	M12×1.75
			29	52	18	M14×1.5
			30	50	18	M14×1.5
			32	52	22	M14×1.5
			32	56	22	M12×1.75

Why Choose Us:

1. 21 years production experience, famous brand Drills-King PDC drill bits

2. professional quality control system

3. best sales team

4. in time delivery

5. good after-sale

Special designed coal drill bits for Our Customer:

Photos of ourcoal drill bits

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Quality Guarantee--Our certificate