Audited Supplier
- 23 Pcs twist drill bit set with portable plastic case.16 most commonly-used sizes (1/16",5/64", 3/32", 7/64", 1/8", 9/64", 5/32",11/64",3/16",13/64",7/32",1/4",9/32",5/16",11/32",3/8") to satisfy all needs.The drill bit set fits into the majority of power drills currently on the market.
- Industry grade 4341 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. Titanium coating increases wear-resistance and durability.
- Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° Split Point with straight shank prevents walking and makes drilling precise. No center punch is needed.
- Small Drill bits for soft metal, wood, plastic, steel within 10mm thickness, aluminum alloy and other soft metals. Ideal for DIY projects, household maintenance and repair.NOT for glass, ceramic or concrete drilling.
we can supply different kinds material for you:
| HRC | CHEMICAL COMPOSITION(%) | International | DIN | ||||
| C | W | Mo | Cr | V | |||
| 60-62 | 0.9-1.0 | 1.5-2.5 | 0.5-1.2 | 3.8-6.0 | 0.5-1.0 | T-4241 | / |
| 62-65 | 0.88-0.98 | 3.5-4.5 | 2.5-3.5 | 3.8-4.4 | 1.3-1.7 | 4341 | W4 |
| 63-66 | 0.77-0.87 | 8.5-9.5 | 2.7-3.3 | 3.8-4.4 | 1.3-1.7 | 9341 | W9 |
| 63-66 | 0.8-0.9 | 5.5-6.75 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | 6542 | M2 |
| 64-67 | 0.9-0.95 | 5.5-6.5 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | Co5% | M35 |
| 66-68 | 1.05-1.15 | 1.15-1.85 | 9.0-10.0 | 3.5-4.25 | 0.95-1.35 | Co8% | M42 |
Q1: Do you have your own brand?
A1: Yes, the brand name is STARRY Tools, we can provide OEM services to our customers as well.
Q2: What's your target market?
A2: We mainly focus on Europe and South America right now.
Q3: What is the biggest advantage compared to the rivals?
A3: We are one of the strongest HSS Cutting tools supplier in China.
Q4: What is your MOQ?
A4: 500 pcs
Q5: What about the payment and delivery time?
A5: Delivery time: All items are ready in stock and can be sent within one week.
Payment: T/T.
100% protection for product quality, on-time shipment and payment
Q6: Can I get some samples?
A6: Yes, we are honored to offer you samples for quality check at your freight cost.
Q7: How does your factory do regarding quality control?
A7: Quality is priority. We always attach great importance to quality control from the very beginning to the end of the production. Every product will be carefully tested before it's packed for shipment.
