TOMINE Tapered drill bit is made of high-quality alloy steel and tungsten carbide from internationally renowned brands. The drill bit adopts “hot plug” processing steps, and the optimized design of inserting buttons in the same way as internationally renowned brands to increase the drilling speed. Through special heat treatment, the tapered rock bit is made of high-quality raw materials and can be widely used in handheld (short hole) drilling systems. We also provide a variety of cutting structure design configurations, including chisel, cross drill and button drill, for users to choose from. These designs can be used in various rock formations to achieve the highest productivity, high penetration rate and long service life
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Adopt high quality steel and tungsten carbide to ensure product quality.
Patented drill bit designs ensure fast footage speed and good quality of drilled holes.
Various specifications are available for production as per customers’ special requirement.
Professional and cost‐effective.
Based on the design of rock drilling tools, the optimized designs of bit improve drilling efficiency.
Apply good quality material, with good ensile stress and elongation, the rod has more reasonable centre hole for well grouting.
Complete specifications and types are offered to meet the requirement of all kinds of engineering projects.
| RODUCT NAME | DIA | BUTTON | TAPER | TAPER HOLE DIA | FLUSHING HOLE | PRODUCT NAME | ||
| GAUGE | FRONT | GAUGE | FRONT | |||||
| Bits | 32 | 3-08 | 1-07 | 7 | 22 | 1 | 1 | LQ32A1-722 |
| 34 | 3-08 | 1-07 | 7 | 22 | 1 | 1 | NQ34A1-722 | |
| 40/42 | 3-08 | 1-09 | 7 | 22/22.5/23 | 1 | 1 | NQ40/42A1-722/22.5/23 | |
| 40/42 | 3-08 | 1-09 | 7 | 22/22.5/23 | 1 | 1 | NQ40/42A1-722/22.5/23 | |
| 30 | 3-08 | 1-07 | 11 | 22 | 1 | 1 | NQ30A1-1122 | |
| 32 | 3-08 | 2-07 | 11 | 22 | 2 | 1 | NQ32A1-1122 | |
| 36 | 3-08 | 2-08 | 11 | 22 | 1 | 1 | NQ36A1-1122 | |
| 50 | 5-10 | 2-10 | 7 | 24 | 1.2 | HQ50C1-724 | ||
| 55 | 5-10 | 2-10 | 7 | 24 | 1.4 | HQ55C1-724 | ||
| PRODUCT NAME | DIA (MM) |
BUTTON | TAPER | TAPER HOLE DIA | FLUSHING HOLE | PRODUCT NAME | ||
| GAUGE | FRONT | GAUGE | FRONT | |||||
| Bits | 28 | 4-07 | 1-07 | 7 | 22 | 1 | 1 | NQ28B1-722 |
| 29 | 4-07 | 1-07 | 11 | 22 | 1 | 1 | NQ29B1-1122 | |
| 30 | 4-07 | 1-07 | 11 | 22 | 1 | 1 | NQ30B2-1122 | |
| 32 | 4-08 | 1-07 | 11 | 22 | 1 | 1 | NQ32B3-1122 | |
| 32 | 4-07 | 1-07 | 11 | 22 | 1 | 1 | NQ32B4-1122 | |
| 30 | 4-07 | 1-07 | 4°46′ | 22 | 1 | 1 | NQ30B1-4°46′ | |
| Bits | 28 | 4-07 | 2-06 | 11 | 22 | 2 | 0 | NQ28B1-1122 |
| 28 | 4-07 | 2-06 | 11 | 20.1 | 2 | 0 | LQ28B1-1120.1 | |
| 28 | 4-07 | 2-06 | 12 | 22 | 2 | 0 | NQ28B1-1222 | |
| 29 | 4-07 | 2-06 | 11 | 22 | 2 | 0 | LQ29B1-1122 | |
| 29 | 4-07 | 2-06 | 12 | 22 | 2 | 0 | LQ29B1-1222 | |
| 30 | 4-07 | 2-07 | 11 | 22 | 1 | 1 | NQ30B1-1122 | |
| 32 | 4-07 | 2-07 | 11 | 22 | 1 | 1 | NQ32B5-1122 | |
| 34/36 | 4-08 | 2-08 | 11 | 22 | 1 | 2 | NQ34/36B1-1122 | |
| 38 | 4-09 | 2-08 | 11 | 22 | 1 | 2 | NQ38B1-1122 | |
| 41 | 4-09 | 2-09 | 7 | 25 | 1 | 2 | NQ41B1-725 | |
| PRODUCT NAME | DIA | BUTTON | TAPER | TAPER HOLE DIA | FLUSHING HOLE | PRODUCT NAME | ||
| GAUGE | FRONT | GAUGE | FRONT | |||||
| Bits | 30 | 5-07 | 2-06 | 12 | 20.4 | 1 | 1 | NQ30C1-1220.4 |
| 30 | 5-07 | 2-06 | 7 | 22 | 1 | 1 | LQ30C1-722 | |
| 32 | 5-07 | 2-07 | 7 | 22 | 2 | 1 | LQ32C1-722 | |
| 40 | 5-09 | 2-08 | 7 | 22 | 2 | 1 | LQ40C1-722 | |
| 41 | 5-09 | 2-08 | 7 | 25 | 2 | 1 | LQ41C1-725 | |
| 50 | 5-10 | 2-09 | 7 | 22/24 | 1 | 1 | LQ50C1-722/24 | |
| 32 | 5-07 | 2-07 | 11 | 22 | 1 | 2 | NQ32C1-1122 | |
| 36 | 5-08 | 2-08 | 11 | 22 | 1 | 1 | NQ36C1-1122 | |
| 38 | 5-08 | 2-07 | 11 | 22 | 1 | 1 | NQ38C1-1122 | |
| 38 | 5-08 | 2-08 | 11 | 22 | 1 | 2 | NQ38C1-1122 | |
| 38 | 5-08 | 2-08 | 11 | 25 | 1 | 2 | NQ38C1-1125 | |
| 39 | 5-08 | 2-07 | 11 | 22 | 1 | 1 | NQ39C1-1122 | |
| 41 | 5-09 | 2-07 | 11 | 22 | 2 | 1 | NQ41C1-1122 | |
| 41 | 5-09 | 2-08 | 11 | 25 | 2 | 1 | NQ41C1-1125 | |
| 32 | 5-07 | 2-07 | 12 | 20.4 | 1 | 2 | NQ32C1-1220.4 | |
| 35 | 5-08 | 2-07 | 12 | 22 | 1 | 1 | NQ35C1-1222 | |
| 38 | 5-08 | 2-08 | 12 | 22 | 1 | 2 | NQ38C1-1222 | |
| 38 | 5-08 | 2-08 | 4°46′ | 22 | 1 | 1 | LQ38C1-4°46′/22 | |
| PRODUCT NAME | DIA | BUTTON | TAPER | TAPER HOLE DIA | FLUSHING HOLE | PRODUCT NAME | ||
| GAUGE | FRONT | GAUGE | FRONT | |||||
| Bits | 32 | 6-07 | 2-07 | 7 | 23.5 | 1 | 2 | NQ32D1-722 |
| 32 | 6-07 | 2-07 | 44147 | 22 | 1 | 2 | LQ32D1-11/1222 | |
| 32 | 6-07 | 2-07 | 7 | 22 | 1 | 2 | LQ32D1-722 | |
| 34 | 6-07 | 2-07 | 11 | 22 | 1 | 2 | LQ34D1-1122 | |
| 38 | 6-08 | 2-08 | 11 | 22 | 1 | 2 | LQ38D1-1122 | |
| 40 | 6-08 | 2-08 | 12 | 22 | 2 | 1 | LQ40D1-1122 | |
| PRODUCT NAME | DIA | BUTTON | TAPER | TAPER HOLE DIA | FLUSHING HOLE | PRODUCT NAME | ||
| GAUGE | FRONT | GAUGE | FRONT | |||||
| Bits | 45 | 6-09 | 3-8 | 12 | 22 | 1 | 3 | LQ45D1-1222 |
| 48 | 6-09 | 3-8 | 12 | 22 | 1 | 3 | LQ48D1-1222 | |
| PRODUCT NAME | DIA | BUTTON | TAPER | TAPER HOLE DIA | PRODUCT NAME | |
| GAUGE | FRONT | |||||
| Bits | 40 | 3-09 | 1-08 | 7 | 22.5 | QP40A1-722.5 |
| 41 | 3-09 | 1-08 | 7 | 23 | QP41A1-723 | |
| 42 | 3-09 | 1-08 | 7 | 23 | QP42A1-723 | |
| 43 | 3-10 | 1-08 | 7 | 23 | QP43A1-723 | |
| PRODUCT | mm LENTH |
mm DIA |
THREAD | (Kg) WEIGHT |
PRODUCT NO |
|
HEX RODS AND MF RODS
|
1000 | Hex25 | R25-H25-R25 | 4.5 | LG25-1000 |
| 2475 | R25-H25-R25 | 10 | LG25-2475 | ||
| 3090 | R25-H25-R25 | 12.5 | LG25-3090 | ||
| 3700 | R25-H25-R25 | 14.9 | LG25-3700 | ||
| 4305 | R25 MF | 5.22 | KYG25-4305 | ||
| 1000 | Hex28 | R25 MF rod | 12.45 | KYG25-1000 | |
| 1830 | R28-H28-R28 | 9.3 | LG28-1830 | ||
| 3050 | R28-H28-R28 | 15 | LG28-3050 | ||
| 1220 | R28 MF | 6.2 | KYG28-1220 | ||
| 3050 | R28 MF | 15.6 | KYG28-3050 | ||
|
HEX RODS
|
1000 | Hex25 | R25-R32 | 4.5 | LG25/32-1000 |
| 2475 | R25-R32 | 10 | LG25/32-2475 | ||
| 3090 | R25-R32 | 12.5 | LG25/32-3090 | ||
| 3700 | R25-R32 | 14.9 | LG25/32-3700 | ||
| 4305 | R25-R32 | 17.5 | LG25/32-4305 | ||
| 1000 | Hex28 | R28-R32 | 5.6 | LG28/32-1000 | |
| 2475 | R28-R32 | 12.3 | LG28/32-2475 | ||
|
HEX RODS AND MF RODS |
1000 | Hex32 | R32-R32 | 7.7 | LG32-1000 |
| 1220 | R32-R32 | 7.9 | LG32-1220 | ||
| 1525 | R32-R32 | 9.9 | LG32-1525 | ||
| 1830 | R32-R32 | 11.9 | LG32-1830 | ||
| 2000 | R32-R32 | 12.9 | LG32-2000 | ||
| 2475 | R32-R32 | 15.8 | LG32-2475 | ||
| 3090 | R32-R32 | 23.7 | LG32-3090 | ||
| 3700 | R32-R32 | 23.7 | LG32-3700 | ||
| 4305 | R32-R32 | 27.5 | LG32-4305 | ||
|
HEX RODS |
1830 | Hex35 | R38-R32 | 14.3 | LG3532/38-1830 |
| 2135 | R38-R32 | 16.8 | LG3532/38-2135 | ||
| 2475 | R38-R32 | 19.2 | LG3532/38-2475 | ||
| 3090 | R38-R32 | 24.4 | LG3532/38-3090 | ||
| 3700 | R38-R32 | 19.2 | LG3532/38-3700 | ||
| 4305 | R38-R32 | 33.9 | LG3532/38-4305 | ||
| 4915 | R38-R32 | 38.7 | LG3532/38-4915 | ||
| 5525 | R38-R32 | 43.5 | LG3532/38-5525 | ||
| 6100 | R38-R32 | 51 | LG3532/38-6100 | ||
|
HEX RODS |
3090 | Hex35 | R38-R32 | 24.4 | KLG3532/38-3090 |
| 3700 | R38-R32 | 19.2 | KLG3532/38-3700 | ||
| 4305 | R38-R32 | 33.9 | KLG3532/38-4305 | ||
| 4915 | R38-R32 | 38.7 | KLG3532/38-4915 | ||
| 5525 | R38-R32 | 43.5 | KLG3532/38-5525 | ||
|
HEX RODS |
3090 | Hex35 | T38-R32 | 24.4 | LG3532/38-3090 |
| 3700 | T38-R32 | 19.2 | LG3532/38-3700 | ||
| 4305 | T38-R32 | 33.9 | LG3532/38-4305 | ||
| 4915 | T38-R32 | 38.7 | LG3532/38-4915 | ||
| 5525 | T38-R32 | 43.5 | LG3532/38-5525 | ||
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