Drilling Bits

Pneumatic drill bits is key tool of drilling in the process of mining, tapered connection cemented carbide drilling bits of our company have four forms: single chisel bits, cross-shaped bits, three-point bits and button bits.
Product category:button bits welded type,button bits cold-compacting cone hole,button bits cold-compacting screw thread
Technology: weld, cold compacting
Alloy grades: YK05

Product details

Drilling Bits

1.Introduction of Drilling Bits

Pneumatic drill bits is key tool of drilling in the process of mining, tapered connection cemented carbide drilling bits of our company have four forms: single chisel bits, cross-shaped bits, three-point bits and button bits.
A. Selection of drilling bits and cemented carbide

Select drilling bits’ model according to property and model of drilling machine, hardness of rock, water pressure. In general, the crack is not in the rock should select single chisel bits. Cross-shaped and three-point bits are widely used in various rocks, especially the hard and high abrasiveness rock. Button bits are applicable to the rock except high abrasiveness rock.
B. Usage and notices
a. Drilling bits should be coordinated with drilling rod, matched length ≥25mm.
b. Using unloading drill, hammer hit is prohibited.
c. The grinding chip drilling bits must control footage when using it. When obtuse angle width of both ends of the drilling bits≥2.5mm, it needs grinding, grinding adopts 46~60 silicon carbide wheel, linear speed is not lower than 18m/s.

2.Instructions

A. Ensure it coordinates well with cone bits (taper should remain the same; depth of drilling rod inserting into the cone hole should more than 25mm). Remark: drilling bits and drilling rod should be produced by the same manufacturer to ensure taper remains the same.
B. The drilling machine should lower air volume when drilling, this will reduce damage of drilling bits, using normal air volume when the drilling bits gets into the rock.
C. When the platform width of drilling bits blade≥3mm should change or grind it timely in order to keep drilling rate and make its service life longer. If there is inverted cone, should change or grind it timely, if not, the drilling bits will have serious abrasion, drilling rate will be reduced.
D. If there is steel bar when using drilling bits, should adjust punch position to protect drilling bits.
E. When rock-drilling jamming appears, should change single chisel bits to button bits or cross-shaped bits.
F. If the rock will make the single chisel bits has serious abrasion, lower the drilling footage should change other alloy drilling bits or use cross-shaped bits and button bits.

3.Parameters of Drilling Bits

Product category	Product name	Specification	Technology	Alloy grades	Alloy size
button bits welded type	button bit	Φ36	weld	YK05	Φ09x14
	button bit	Φ38	weld	YK05	Φ09x14
	button bit	Φ40	weld	YK05	Φ09x14
	button bit	Φ42	weld	YK05	Φ09x14
	button bit	Φ50	weld	YK05	Φ09x14
	button bit	Φ55	weld	YK05	Φ09x14
button bits cold-compacting cone hole	button bit	Q0732~722	cold compacting	YK05	Φ07x12
	button bit	Q0734~722	cold compacting	YK05	Φ07x12
	button bit	Q0736~722	cold compacting	YK05	Φ08x12
	button bit	Q0738~723	cold compacting	YK05	Φ08x12
	button bit	Q0740~723	cold compacting	YK05	Φ09x14
	button bit	Q0740~732	cold compacting	YK05	Φ09x14
	button bit	Q0440~732	cold compacting	YK05	Φ09x14
button bits cold-compacting screw thread	button bit	Q0743~R32	cold compacting	YK05	Φ09x14
	button bit	Q0945~R32	cold compacting	YK05	Φ09x14
	button bit	Q0745~R32	cold compacting	YK05	Φ11x16
	button bit	Q0960~R32	cold compacting	YK05	Φ10x15
	button bit	Q0565~R32	cold compacting	YK05	Φ12x17
	button bit	Q1265~38T	cold compacting	YK05	Φ10x15
	button bit	Q1389~38T	cold compacting	YK05	Φ12x17
	button bit	Q14102~51T	cold compacting	YK05	Φ14x20
	button bit	Q14115~51T	cold compacting	YK05	Φ14x20

Contact us:

	Serena Fu	Kira Zhang	Teresa Zheng
E-mail	serena.fu@hot-mining.com	kira.zhang@hot-mining.com	teresa.zheng@hot-mining.com
Skype	Serena20140924	kira.zhangjing	teresa.zheng123
Whatsapp	+86 151 0833 3341	+86 152 8105 1932	+86 152 8162 6323