Brand Name	JCDRILL	Advantage	Direct Manufacturer
Type	Tungstern Carbide Threaded Drill Bits	Application	Mine,Ore,Railway,Tunnel,Water Irrigation etc.
Machine Type	Drilling Tool	Feature	Fast Penetration Rate With Good Wearing Resistance
Material	Tungsten Carbide and High Quality Alloy Steel	Threaded	R25 R28 R32 R38 T38 T45 T51 etc
Processing Type	Casting	Suitable Brand	Atlas copco,Boart longyear,Halco,Fantini,Furukawa...
Use	Rock Drilling, Underground Mining, Quarry, Blasting, etc	Name	Tungstern Carbide Threaded Button Rock Drill Bits

ST58
Drill Bit	Bit Dia.		NO x Button x Dia.			Flushing Hole		Weight
	mm	inch	Front	Gauge	Angle	Front	Side	（KG）
	spherical Buttons
	89	3 1/2	6x12	8x12	35°	2	1	4.1
	89	3 1/2	6x13	8x13	35°	2	1	4.1
	89	3 1/2	4x13,1x13	8x13	35°	4		4.1
	89	3 1/2	4x12,1x12	8x12	35°	4		4.1
	89	3 3/4	4x13,1x13	8x14	35°	4		4.6
	102	4	6x14	8x14	35°	2		6
	102	4	6x13	8x16	35°	2	1	6
	115	4 1/2	6x14	8x16	35°	2		7
	Parabolic Buttons
	89	3 1/2	6x12	8x12	35°	2	1	4.1
	89	3 1/2	6x13	8x13	35°	2	1	4.1
	89	3 1/2	4x13,1x13	8x13	35°	4		4.1
	89	3 1/2	4x12,1x12	8x12	35°	4		4.1
	89	3 3/4	4x13,1x13	8x14	35°	4		4.6
	102	4	6x14	8x14	35°	2		6
	102	4	6x13	8x16	35°	2	1	6
	115	4 1/2	6x14	8x16	35°	2		7
Drill Roll				Length		Dimaeter		Weight
				mm	inch	mm	inch	（KG）
				1525	5'	76	2 3/8	34
				1830	6'	76	2 3/8	40
				3660	12'	76	2 3/8	76.3

Minimum Order Quantity	N/A
Price
Packaging Details	Standard Export Delivery Package
Delivery Time	7days
Payment Terms	T/T
Supply Ability	Based on Detailed Order

Our cross bits diameters are from 20mm to 127mm, and different type are available, like R22,R25, R32, R38, T38, T45, T51, ST58, ST68,GT60, etc. Feature:

1. Excellent drilling penetration
2. Used in very hard or hardest rock formation
3. Adequate for various construction conditions
4. Strong corrosion resistance