button bits-eleven degree

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Xiamen Betopper Mining Machinery Co., Ltd offer different kinds of taper bits, all taper bits covers taper button bits,taper chisel bits and taper cross bits.

1. Bit Type:  button bits-eleven degree

2. Diameter : 28mm – 45mm3. Taper: 7 degree, 11 degree, 12 degree4. Bottom Hole: 22mm, 25mm 5. Bit Body: Short skirt and Long skirt6. Water Hole: 3Compared with tapered chisel bits and tapered cross bits, tapered button bits are technically advanced tapered drill bits which are very popular across the globe. With carbide buttons hot pressed on bits bodies, they have a very good drilling performance and long life time. Usually used for hard and very hard rock formation. Different diameters and taper degrees are available to suit different applications in mining, quarrying etc. According to the total height of bits, they have short skirt button bits (about 50 mm) and long skirt button bits (about 80mm).

Model	Taper Degree	Diameter	Length	No. of buttons & Type
		mm	mm
D28b5A1-722	7°(6° 11° 12°)	28	50	5A1 (5A3)
D30b7A4-722	7°(6° 11° 12°)	30	50	7A4 (4A2 5A3 6A6)
D32b7A4-722	7°(6° 11° 12°)	32	50	7A4 (4A2 5A3 5A5 6A6)
D34b7A4-722	7°(6° 11° 12°)	34	50	7A4 (4A2 5A3 6A6)
D35b7A4-722	7°(6° 11° 12°)	35	55	7A4 (6A6)
D36b7A4-722	7°(4.46° 6° 11° 12°)	36	50	7A4 (4A2 5A3 6A6)
D38b7A4-722	7°(4.46° 6° 11° 12°)	38	50	7A4 (4A2 5A3 6A6)
D40b7A4-722	7°(6° 11° 12°)	40	50	7A4 (4A1 4A2 5A3 6A6)
D41b7A4-722	7°(6° 11° 12°)	41	50	7A4
D42b5A1-722	7°(6° 11° 12°)	42	50	5A1 (4A2 5A3 7A4 6A6)
D45b6A6-722	7°(6° 11° 12°)	45	50	6A6

button bits-eleven degree