| Customized: | Customized |
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| Standard: | Many |
| Length: | Many |
| Samples: |
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| Customization: |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
| Product Name | 5pcs fully ground HSS M35 cobalt twist drill bit set |
| Model Number | GMA005-2 |
| Size | 4mm,5mm,6mm,8mm,10mm |
| Standard | DIN338 |
| Tip angle | 135 degree with split point |
| Process | Fully ground |
| Material | HSS M35 |
| Color | Amber finish ( Golden finish) |
| Package | Plastic box, color box is avaliable |
| MOQ | 1set for sample testing |
| 1000 sets for in mass production | |
| Usage and feature | Using M35 cobalt material. Cutting edge 135 degree dual rear angle. M35 containing 5% cobalt high speed steel. Sharp blade, fast drilling hole. Super-hard, wear-resistant. Good toughness, wear resistance, high temperature resistant. Suitable for Iron, steel, copper and aluminum, tool steel Easy processing of High Tensile stainless steel. |
| Delivery time | 15~45 days, according to order quantity |
| Payment terms | T/T, D/P, L/C, Paypal, Western Union, ect. |
| Certificated | BSCI |
| Unit price | Contact us to get latest price (Larger quantity, more discount) |
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) |
| 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 |
| Please contact with me when you gonna order,we will answer back ASAP. |
Suppliers with verified business licenses
Audited Supplier 
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