Description
Tapered button bits as small hole drill bits are different from threaded snap bits as long hole drill bits, tapered fit with band rod bits for air leg rock drill or hand held jack hammer drill bit in quarrying and mining, providing leading strength and penetration rates, greater productivity, excellent straightness and hole cleanliness quality for maximum drilling performance and cost savings. Matching Y19A, Y018, Y26, YT24, YT27, YT28, YT29a, S250 air leg rock drill.
Pneumatic rock drill bits, especially tapered button bits are the most popular tapered bits, with a wide selection of head diameters from 28mm to 42mm. With a cold-pressed carbide button on the skirt of the bit, rock mining drill bits have good drilling performance and long service life.
Delivery lead time:
| Quantity(pieces) | 1 – 1000 | 1001 – 2000 | 2001 – 5000 |
| Lead time (days) | 7 | 15 | 20 |
Product parameters：
| Diameter | Button Number | Angle | Length | Weight | Package | |
| mm | inch | (pieces) | (°) | (mm) | (kg) | box |
| 28 | 1 1/8 ” | 4 | 7°/11°/12° | 65-69 | 0.2 | 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 |
| 41 | 1 5/8 ” | 4~8 | 7°/11°/12° | 65-69 | 0.30~0.42 | 50pcs/box |
| 42 | 1 21/32 ” | 4~8 | 7°/11°/12° | 65-69 | 0.30~0.46 | 50pcs/box |
