Introducing our high-performance heavy-duty drill bits, designed to tackle the toughest drilling tasks with ease! Crafted from premium quality materials, these drill bits are built to last and deliver exceptional durability and precision. Whether you're working with concrete, metal, or wood, our heavy-duty drill bits effortlessly power through any surface, providing clean and precise holes every time. With their innovative design and advanced technology, these drill bits offer superior strength and stability, ensuring optimal performance and extended lifespan. Upgrade your drilling experience with our heavy-duty drill bits and conquer any project with confidence!
Twist Drill how to maintain
1. When drilling steel parts, ensure adequate cooling of heavy duty Drill Bits and use Metal Cutting fluid.
2. Good rigidity of drill pipe and clearance of guide rail can improve the precision of drilling and the life of Drill Bit.
3, Please ensure smooth and clean between Drill For Brick Wall magnetic seat and workpiece.
4, when drilling thin plate, to reinforce the workpiece, Drill large workpiece, please ensure the stability of the workpiece.
5, at the beginning and end of the drilling, the feed should be reduced by 1/3.
6. When drilling, a large number of fine powder materials, such as cast iron and copper, can not use coolant, and the use of compressed air to help chip removal.
7. Please remove the iron filings wrapped around the Drill body by the Flexible Auger Drill Bit in time to ensure smooth chip removal.
Model NO.GMH14658
1/4" hex shank hss stubby drill bits (stubby bits with quick change hex shank) For any standard cordless drill, because of 1/4" hex shank. We can supply sizes from 1.0mm-10.0mm. Chemical composition 1/4" hex shank hss stubby drill bits (stubby bits with quick change hex shank) For any standard cordless drill, because of 1/4" hex shank. We can supply sizes from 1.0mm-10.0mm. Chemical composition | Material | Component (%) |
| HSS 4241 | C (0.9~1.0); Si(1.0~1.3); Mn(0.25~0.4); P(0~0.035); S(0~0.009);
Cr(3.8~4.2); Mo(0.55~0.85); W(1.6~2.0); V (0.4~0.65); Co(0) |
| HSS 4341 | C (0.83~0.93); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009);
Cr(3.8~4.4); Mo(2.5~3.5); W(3.5~4.5); V (1.2~1.8); Co(0) |
| HSS 6542 (M2) | C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009);
Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9); V(1.8~2.0); Co(0) |
| HSS 9341 | C (0.77~0.87); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009);
Cr(3.8~4.4); Mo(2.7~3.3); W(8.5~9.5); V(1.3~1.7); Co(0) |
| HSS M35 (Co5%) | C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009);
Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9);V(1.8~2.0); Co(4.6~4.9) |
| FAQ |
| Q: What can we provide ? |
| A: We are a professional manufacturer of Hole Saw and have our own packing centre. Through more than 10 years of effort, we have worked together with many good manufactuers of different tools as an exclusive Tool club. We can provide our factory direct price for a vast range of products, including power tool accessories, Hand Tools, combination kits, etc. |
| Q:What is the shipping port? |
| A: We ship the goods via Shanghai port. |
| Q:How about the sample? |
| A: The samples will be sent to you via express and arrive in 3-5 days. You can use your own express account or prepay us if you do not have an account |
| Q:How do you control the quality? |
| A: We will make samples before mass production, and mass production will be arranged after samples approved. Doing 100% inspection during production, then do random inspection before packing, taking pictures after packing. |
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| Shipping way |
| 1. Small quantity: by international air express, within 3-7days arriving |
| 2. Large quantity: by ocean cargo, arriving time depends on customers destination |
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| Our service |
| 1. 24hours online technical support (telephone and email) |
| 2. 100% Satisfaction Guarantee |
| 3. Engineers are available |
Product Categories : Drill Bit > Wood Working Dril
