| Customization: | Available |
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| Customized: | Non-Customized |
| Standard: | DIN |
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DIN333 HSS Center Drill Bits Titanium Coated Straight Flute / Spiral Flute
Discription of HSS Center Drill Bits:
| ISO866/ISO2540 HSS Center Drills |
| Manufacturing process: fully ground |
| Flute type: N |
| Material: HSS or HSS-Co |
| Finish: bright, TiN |
| Diameter: 1-12.5mm |
HSS Center Drill Bits Features:
| Center drills are used with the lathe to drill a hole in the end of stock for mounting between centers in the lathe. |
| They are designed to drill a small diameter pilot hole followed by a 60 degree countersink that provides a bearing surface for the 60 degree point of the lathe center. |
| Center drill are also used extensively with the milling machine to accurately start holes. |
| The hole locations can be dialed in using the milling machine's calibrated hand wheels, then the hole is started using the center drill. |
| The large diameter shank on the center drill holds the drill point right on center, Once the hole is started, the center drill is replaced with a drill of the desired diameter and the hole is finished. |
| It is imperative hat a cutting lubricant is used, and the center drill is backed off several times to prevent the tip from twisting off. |
Size:
| Type A | Type B | ||||||
| Ød | Ød1 | L | I | Ød | Ød1 | L | L |
| mm | mm | mm | mm | mm | mm=R0 | mm | mm |
| 1,00 | 3,15 | 31,50 | 1,60 | 1,00 | 3,15 | 37,50 | 3,00 |
| 1,25 | 3,15 | 33,50 | 1,90 | 1,25 | 3,15 | 31,50 | 3,35 |
| 1,60 | 4,00 | 37,50 | 2,40 | 1,60 | 4,00 | 37,50 | 4,25 |
| 2,00 | 5,00 | 42,00 | 2,90 | 2,00 | 5,00 | 42,00 | 5,30 |
| 2,50 | 6,30 | 47,00 | 3,60 | 2,50 | 6,30 | 47,00 | 6,70 |
| 3,15 | 8,00 | 52,00 | 4,40 | 3,15 | 8,00 | 52,00 | 8,50 |
| 4,00 | 10,00 | 59,00 | 5,60 | 4,00 | 10,00 | 56,00 | 10,60 |
| 5,00 | 12,50 | 66,00 | 6,90 | 5,00 | 12,50 | 66,00 | 13,20 |
| 6,30 | 16,00 | 74,00 | 8,60 | 6,30 | 16,00 | 74,00 | 17,00 |
| 10,00 | 25,00 | 100,00 | 13,70 | 8,00 | 20,00 | 80,00 | 21,20 |
| 12,50 | 31,50 | 125,00 | 17,90 | 10,00 | 25,00 | 100,00 | 31,50 |
| 12,50 | 31,50 | 125,00 | 33,50 |
Sample Policy:
We can provide the samples for free to test quality!
Package:
1. Normal Package:5/10 pcs in a plastic bag,then inner box and out carton.
2. Other package:Blister card,Plastic tube,PVC pouch,according to your requirments.
3. HSS Drill bits set are available.
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