Description

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In rock drilling construction, retrac drill button bit is mainly used in rocks that are relatively fragmented and incomplete, and have changes in rock formations. The appearance of retrac bit is mainly manifested in that the skirt body is designed with multiple grooves and tails, which is convenient for retracting the retrac drill bit in the event of an accident. Same as standard button drill bits, retrac drill bit can be matched with different threads, head designs and carbide shapes according to the actual construction situation. Common retrac drill bits are R32 retrac drill bit, T38 retrac drill bit, T45 retrac drill bit, T51 retrac drill bit....

As a retrac drill bit manufacturer, we can produce various types of retrac drill bits for choosing.

Thread Type : R25,R28,SR28,R32,SR32,SR35,R38,T38,T45,T51,T60,GT60,ST58,ST68,T-WIZ60

Diameter: 33mm-152mm

Face Shape: Flat face, Drop center

Button Shape: Ballistic carbide, Spherical button, Conical buttons

Performance

1.High Quality

2.Competitive Price

3.High Efficiency

Application

The button bit is widely used for rock drilling,blasting holes and other drill works in quarries,coal mines,road and dam constructions and other similar projects.

Specification

钎头 Drill bit	钎头直径 Diameter		合金数量X直径 No.×button Dia.			水孔数量 Flushing hole		重量 Weight (kg)	恒隆型号 HLDRILL P/N
钎头 Drill bit	毫米 mm	英寸 inch	芯齿 Front	边齿 Gauge	倾角 Angle	正 Front	侧 Side	重量 Weight (kg)	恒隆型号 HLDRILL P/N
Retrac button bit	圆齿 Spherical buttons
	70	2 3/4	4×11	8×11	40°	2	-	2.5	1531-70T45-411/811-45-31
	70	2 3/4	3×11,1×9	6×11	35°	3	-	2.5	1533-70T45-411/611-45-31
	70	2 3/4	4×10,1×10	8×11	35°	4	-	2.5	1632-70T45-510/811-45-31
	76	3	4×11	8×11	40°	2	-	3.2	1531-76T45-411/811-45-31
	76	3	5×11	8×12	35°	2	1	3.2	1531-76T45-511/812-45-31
	76	3	3×11,1×11	6×13	35°	3	-	3.2	1533-76T45-411/613-45-31
	76	3	4×11,1×11	8×11	35°	4	-	3.2	1632-76T45-511/811-45-31
	76	3	4×11,1×11	8×12	35°	4	-	3.2	1632-76T45-510/812-45-31
	89	3 1/2	4×13	8×13	40°	2	-	5.4	1531-89T45-413/813-45-31
	89	3 1/2	6×11	8×12	35°	2	-	5.4	1531-89T45-611/812-45-31
	89	3 1/2	3×11,2×11	6×13	35°	3	1	5.4	1533-89T45-511/613-45-31
	89	3 1/2	4×11,1×11	8×12	35°	4	-	5.4	1533-89T45-511/812-45-31
	89	3 1/2	4×13,1×13	8×13	35°	4	-	5.4	1632-89T45-513/813-45-31
	102	4	5×14	8×14	40°	2	-	6.8	1531-102T45-514/814-45-31
	102	4	6×13	8×16	40°	2	1	6.8	1531-102T45-613/816-45-31
	102	4	3×13,2×13	6×14	35°	3	1	6.8	1533-102T45-513/614-45-31
	102	4	4×13,1×13	8×14	35°	4	-	6.8	1533-102T45-513/814-45-31
	102	4	4×13,2×13	8×13	35°	4	1	6.8	1533-102T45-613/813-45-31
	抛物线齿 Parabolic buttons
	70	2 3/4	3×11,1×9	6×11	35°	3	-	2.5	1533-70T45-411/611-45-51
	70	2 3/4	4×10,1×10	8×11	35°	4	-	2.5	1632-70T45-510/811-45-51
	76	3	4×11	8×11	40°	2	-	3.2	1531-76T45-411/811-45-51
	76	3	5×11	8×12	35°	2	1	3.2	1531-76T45-511/812-45-51
	76	3	3×11,1×11	6×13	35°	3	1	3.2	1533-76T45-411/613-45-51
	76	3	4×11,1×11	8×11	35°	4	-	3.2	1632-76T45-511/811-45-51
	76	3	4×11,1×11	8×12	35°	4	-	3.2	1632-76T45-511/812-45-51
	89	3 1/2	4×13	8×13	40°	2	-	5.4	1531-89T45-413/813-45-51
	89	3 1/2	6×11	8×12	35°	2	-	5.4	1531-89T45-611/812-45-51
	89	3 1/2	3×11,2×11	6×13	35°	3	1	5.4	1533-89T45-511/611-45-51
	89	3 1/2	4×11,1×11	8×12	35°	4	-	5.4	1533-89T45-511/812-45-51
	89	3 1/2	4×13,1×13	8×13	35°	4	-	5.4	1632-89T45-513/813-45-51