Customized: | Non-Customized |
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Standard: | DIN |
Length: | Standard Length |
Samples: |
Random in size
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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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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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