Manufactured from Hss-M35 steel, with cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. No center punch is needed-the 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander" Extremely heat resistant; must be used and operated at 1500 RPM or greater for maximum efficiency. Straight shank allows for firmly holding and accurate centering,
SIZE OF THE HSS DRILL BIT:
(SIZE) | TOTAL LENGTH | FLUTE LENGTH |
1.0 | 34 | 12 |
1.5 | 40 | 18 |
2 | 49 | 24 |
2.5 | 57 | 30 |
3 | 61 | 33 |
3.2 | 65 | 36 |
3.5 | 70 | 39 |
4 | 75 | 43 |
4.2 | 75 | 43 |
5 | 86 | 52 |
5.2 | 86 | 52 |
5.5 | 93 | 57 |
6 | 93 | 57 |
6.5 | 101 | 63 |
7 | 109 | 69 |
7.5 | 109 | 69 |
8 | 117 | 75 |
8.5 | 117 | 75 |
9 | 125 | 81 |
9.5 | 125 | 81 |
10 | 133 | 87 |
10.5 | 133 | 87 |
11 | 142 | 94 |
11.5 | 142 | 94 |
12 | 151 | 101 |
12.5 | 151 | 101 |
13 | 151 | 101 |
PACKING OF THE HSS DRILL BIT:
Plastic tube,Blister Packing,PVC bags with card,Metal Box and so on.
FACROY WAREHOUSE:
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.