Complaint
| Product name | 6PCS HSS Countersink & Deburring Drill |
| size | 6.3-8.3-10.4-12.4-16.5-20.5mm |
| Item | GMA0041 |
| Desciption | This drill bit is machined from carbon steel For use on rotary and percussion drills.For drilling in concrete, reinforced concrete, brick, block and masonry, etc. suitable for using in hardness under 25 artifacts, such as aluminum, insulation board, PVC board |
| Surface treatment | Galvanized finish, Nickel Plated, Chrome coated, Black finish, Sandblasted finish. |
| Material | High speed steel 4241 ,Titanium Coated |
| Drill Bits set | available |
| Package | Aluminum box, color sleeve or color box is optional |
| MOQ | 1set for sample testing |
| 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. |
| 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 |
| Our service |
| 1. 24hours online technical support (telephone and email) |
| 2. 100% Satisfaction Guarantee |
| 3. Engineers are available |
