32mm 34mm 36mm 8 button 7 11 12degree hollow concrete taper button drill bit

Angle: 7 /11/12 degree.

Skirt length: 50-55mm, 60-70mm.

Description

34mm 7button 11 degree tungsten carbide small hole drilling taper button bit

Taper button bit

Tapered button bit was from high quality cemented carbide, produced with advanced technology and equipment, having different types bits, such as tapered chisel bit, tapered cross bit and tapered button bit which connected with Tapered Drill Rod well for drilling hole, inserting depth is 25-30mm, obtaining maximum drilling speed, keeping stable and lowering rock drill working parameters so that prevent single button under overload then cause the button broken or lost.

Small hole tapered drill bit are the most popular tapered drill bits with a wide selection of head diameters from 28mm to 40mm. With carbide buttons hot pressed on the bit skirts, tapered button bits have a good drilling performance and are excellent in longevity.

Diameter		Button Number	Angle	Length	Weight	Package
mm	inch	(pieces)	(°)	(mm)	(kg)	box
28	1 1/8 ''	4	7°/11°/12°	65-69	0.20	50pcs/box
30	1 3/16 ''	4~6	7°/11°/12°	65-69	0.20~0.30	50pcs/box
32	1 1/4 ''	4~7	7°/11°/12°	65-69	0.20~0.30	50pcs/box
34	1 11/32 ''	4~8	7°/11°/12°	65-69	0.22~0.30	50pcs/box
35	1 3/8 ''	7~8	7°/11°/12°	65-69	0.22~0.40	50pcs/box
36	1 13/32 ''	4~8	7°/11°/12°	65-69	0.30~0.40	50pcs/box
38	1 1/2 ''	4~8	7°/11°/12°	65-69	0.30~0.40	50pcs/box
40	1 9/16 ''	4~8	7°/11°/12°	65-69	0.30~0.42	50pcs/box