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| Brand Name: | HLDRILL |
| Model Number: | Q7-38-11-50 |
| MOQ: | 10PCS |
| Price: | Please Contact Us |
| Payment Terms: | T/T |
| Supply Ability: | 3000 PCS Per month |
The Q7-38-11-50 tapered button bit is one of our popular small-diameter rock drilling tools manufactured by Henglong. Unlike threaded button bits built for deep boreholes, this taper shank drill connects to drill rods via taper fitting. It pairs perfectly with air-leg rock drills and hand-held rock hammers, widely deployed in stone quarrying and underground mining operations.
This 38mm bit adopts an optimized layout with seven semi-ballistic carbide buttons sized at 8mm. Two front flushing holes plus one side flushing hole deliver efficient debris clearance during drilling, keeping the cutting face clean and boosting penetration speed. It comes with copper sleeve taper construction for stable impact transfer.
| Model | Q7-38-11-50 |
|---|---|
| Outer Diameter | 38mm |
| Overall Length | 50mm |
| Taper Angle | 11° |
| Carbide Insert | 8mm × 7 pcs, semi-ballistic profile |
| Flushing Ports | 2 front holes, 1 side hole |
| Shank Connection | Φ19, Φ22, Φ25 (common stock sizes) |
| Available Bit Diameter Range | 32mm, 34mm, 36mm, 38mm, 40mm |
| Optional Taper Angles | 6°, 7°, 11°, 12° |
| Raw Material | 45CrNiMoV alloy steel bit body; YK05 / T6 grade tungsten carbide buttons |
| Button Profile | Semi-ballistic |
| Bit Face | Flat face |
| Bit Body | Standard |
| Available Button Counts | 5 / 7 / 8 buttons |
Our tapered rock bits serve high-demand quarry markets including India, Saudi Arabia, Chile, and South Africa. These regions constantly require reliable, cost-effective top hammer drill bits for stone extraction and mine development.
Address
4F,6# Building,No.19 Hunan Road,Liaocheng City,Shangdong province,China
Tel
86-0635-8278268
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