Short and Long Skirt Rock Drill Taper Button Bits

• Customization: Available
• Customized: Customized
• Length: Taper-length
• Model NO.: BT
• Type: Center Drill Bit
• Material: Tungsten Carbide
• Usage: Masonry Drilling
• Diameter: 28mm 30mm 32mm 34mm 36mm 38mm 40mm 42mm 45mm
• Color: Red, Blue, Golden, Yellow
• OEM and ODM: Yes
• Certificate: ISO2000
• Processing Type: Forging
• Mining Object: Coal Machinery
• Transport Package: Plywood Box or Carton
• Specification: as per order quantity
• Trademark: none
• Origin: China
• HS Code: 82071990
• Production Capacity: 20000PCS Per Month
• Package Size: 60.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 20.000kg

Product Description

Short and Long Skirt Rock Drill Taper Button Bits


Button bit taper angle/degree: 4° 46, 6° , 7° , 11° , 12°
Socket inside diameter: 19 22 25 28 32 34 36 38 40 42(mm)


OEM and ODM We can design and manufacture according to customers's samples or drawings of the Bit Dia., No. Of air/water holes, carbide button shape and the face shape.

Super Quality Our button bit is made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.

Global Reputation The taper drill bit is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc. Our clients
Are all over the world, like Germany, Spain, Italy, Russia, Japan, India, Australia, Mexico, Colombia, Brazil,
Chile, South Africa...Etc. We have very good reputation worldwide!

Drill Bit: Button Bit
For 22 mm ( 7 /8") rod. 4°46' taper. Short skirt.
Diameter (mm)	Part No.	Length (mm)	No. of buttons	Buttons x button diameter (Gauge, Centre)	Gauge Buttons angle ° (Gauge, Front)	Flushing hole (Side, Centre)	Weight approx (kg)
36	178-9036-14-67,39-20	50	7	5x7, 2x7	35, -	1, 2	0.3
43	178-9043-14-67,39-20	50	7	5x7, 2x7	35, -	1, 2	0.35
For 22 mm ( 7 /8") rod. 11° taper. Short skirt.
Diameter (mm)	Part No.	Length (mm)	No. of buttons	Buttons x button diameter (Gauge, Centre)	Gauge Buttons angle ° (Gauge, Front)	Flushing hole (Side, Centre)	Weight approx (kg)
32	179-9032-12-67,50-20	50	5	3x8, 2x7	35, -	2, 1	0.2
32	179-9032-33-67,39-20	55	8	6x7, 2x7	39, 15	1, 1	0.22
32	179-9032-56-67,50-20	50	6	4x7, 2x7	35, -	1, 1	0.15
33	179-9033-40-67,50-20	60	9	6x7, 3x7	40, 20	2, -	0.2
33	179-9033-56-67,50-20	50	6	4x7, 2x7	40, -	1, 1	0.2
34	179-9034-56-67,50-20	50	6	4x7, 2x7	40, -	1, 1	0.3
35	17990354167-L.39-20*	55	7	5x8, 2x7	40, 15	1, 1	0.3
36	179-9036-12-67,39-20	50	5	3x8, 2x8	40, -	2, 1	0.3
36	179-9036-23-67,50-20	50	4	3x9, 1x8	35, -	1, 1	0.2
36	179-9036-27-67,39-20	50	7	5x8, 2x7	35, -	1, 1	0.3
36	179-9036-56-67,50-20	50	6	4x7, 2x7	40, -	1, 1	0.35
38	179-9038-23-67,39-20	50	4	3x9, 1x9	40, -	1, 1	0,35
38	179-9038-27-67,39-20	50	7	5x9, 2x7	35, -	1, 1	0.35
40	179-9040-12-67,39-20	50	5	3x9, 2x9	40, -	2, 1	0.35
40	179-9040-23-67,39-20	50	4	3x9, 1x9	40, -	1, 1	0.35
41	179-9041-27-67,39-20	50	7	5x9, 2x7	35, -	2, 1	0.35
For 22 mm ( 7 /8") rod. 12° taper. Short skirt.
Diameter (mm)	Part No.	Length (mm)	No. of buttons	Buttons x button diameter (Gauge, Centre)	Gauge Buttons angle ° (Gauge, Front)	Flushing hole (Side, Centre)	Weight approx (kg)
27	177-9027-56-67,39-20	50	6	4x6, 2x6	40, 15	1, 1	0.2
28	177-9028-23-67,39-20	50	4	3x7, 1x7	20	1, 1	0.2
29	177-9029-23-67,39-20	50	4	3x7, 1x7	40	1, 1	0.2
30	177-9030-23-67,39-20	50	4	3x7, 1x7	40	1, 1	0.2
30	177-9030-56-67,50-20	50	6	4x7, 2x7	30	1, 1	0.2
32	177-9032-14-67,39-20	50	7	5x7, 2x7	35	1, 2	0.2
32	177-9032-17-67,39-20	50	7	5x7, 2x7	35	1, 1	0.2
32	177-9032-34-67,39-20	50	8	6x7, 2x7	39, 15	1, 2	0.2
33	177-9033-14-67,39-20	50	7	5x7, 2x7	35	1, 2	0.2
33	177-9033-17-67,39-20	50	7	5x7, 2x7	35	1, 1	0.2
33	177-9033-41-67,39-20	55	7	5x8, 2x7	40, 15	1, 1	0.2
33	17790334167-L.39-20*	55	7	5x8, 2x7	40, 15	1, 1	0.2
34	177-9034-17-67,39-20	50	7	5x8, 2x7	35	1, 1	0.22
35	177-9035-27-67,39-20	50	7	5x9, 2x7	35	1, 1	0.22
35	177-9035-56-67,50-20	50	6	4x7, 2x7	35	1, 1	0.22
36	177-9036-27-67,39-20	50	7	5x9, 2x7	35	1, 1	0.3
37	177-9037-27-67,39-20	50	7	5x9, 2x7	40	1, 1	0.3
38	177-9038-23-67,39-20	50	4	3x9, 1x9	40	1, 1	0.2
38	177-9038-27,39-20	50	7	5x9, 2x7	35	1, 1	0.25
38	177-9038-27-67,39-20	50	7	5x9, 2x7	35	1, 1	0.25
41	177-9041-27-67,39-20	50	7	5x9, 2x7	35	1, 1	0.35
-67 = ballistic buttons *
Long bit head
For 22 mm ( 7 /8") rod. 7° taper. Long skirt.
Diameter (mm)	Part No.	Length (mm)	No. of buttons	Buttons x button diameter (Gauge, Centre)	Gauge Buttons angle ° (Gauge, Front)	Flushing hole (Side, Centre)	Weight approx (kg)
32	173-5032-17,39-20	80	7	5x7, 2x7	35, -	1, 1	0.3
32	173-5032-17-67,39-20	80	7	5x7, 2x7	35, -	1, 1	0.3
33	173-5033-17-67,39-20	80	7	5x7, 2x7	35, -	1, 1	0.3
35	173-5035-27,39-20	80	7	5x8, 2x7	35, -	1, 1	0.33
35	173-5035-41,39-20	80	7	5x9, 2x7	25, 15	1, 1	0.33
For 22 mm ( 7 /8") rod. 12° taper. Long skirt.
Diameter (mm)	Part No.	Length (mm)	No. of buttons	Buttons x button diameter (Gauge, Centre)	Gauge Buttons angle ° (Gauge, Front)	Flushing hole (Side, Centre)	Weight approx (kg)
32	177-5032-17-67,39-20	71	7	5x7, 2x7	35, -	1, 1	0.3
33	177-5033-17-67,39-20	71	7	5x7, 2x7	35, -	1, 1	0.3
33	177-5033-34-67,39-20	71	8	6x7, 2x7	40, -	1, 2	0.3
33	177-5033-40-67,39-20	71	9	6x7, 3x7	40, 20	3, -	0.28
35	177-5035-34-67,39-20	71	8	6x8, 2x7	39, 15	1, 2	0.3
For 25 mm (1") rod. 12° taper. Long skirt.
Diameter (mm)	Part No.	Length (mm)	No. of buttons	Buttons x button diameter (Gauge, Centre)	Gauge Buttons angle ° (Gauge, Front)	Flushing hole (Side, Centre)	Weight approx (kg)
35	180-5038-27-67,39-20	71	7	5x9, 2x7	35, -	1, 1	0.38
38	180-5041-27-67,39-20	71	7	5x9, 2x7	35, -	1, 1	0.38