Twist spiral drill bit
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HSS twist drill straight Shank spiral drill bit pistol drill bit

Equipment: bench drill, pistol drill
Apply for: solid wood, chipboard, little metal
Advantages: CNC grinding machine to ensure percision, durable, fast going, flat hole
INQUIRY
Description
General discription
Equipment: bench drill, pistol drill
Apply for: solid wood, chipboard, little metal
Advantages: CNC grinding machine to ensure percision, durable, fast going, flat hole

Precautions for use:
* Causes of bursting: Feeding too fast / loose coupling / unsharp blade or missing blade/ bit center deviation/ moving sheet.
* Causes of blade broken or bending: too fast drilling or too slow chip removal / drill head swing too much / overuse / drilling hard stuff.

Specifications

Item Blade diameter
1 1.0
2 1.2
3 1.5
4 1.8
5 2
6 2.5
7 3
8 3.2
9 3.5
10 3.8
11 4
12 4.2
13 4.5
14 4.8
15 5
16 5.2
17 5.5
18 5.8
19 6
20 6.2
21 6.5
22 6.8
23 7
24 7.5
25 7.8
26 8
27 8.2
28 8.5
29 9
30 9.5
31 9.8
32 10.1
33 10.5
34 11
35 12
36 13
37 14
38 15
39 16
40 18
41 20
42 22
43 25


Packing
1. separate plastic box.
2. Strong outer packing.


Warranty
1. Kenlar drill bit is strictly inspeced after each process, we promise to ship 100% qualified product.
2. The blade is made of alloy which is high hardness but brittle. We have plastic box to well protect it, in case the damage caused during transportation (the damages include broken knife, unstable knife, cracked body), please take pictures when you receive it, we'd like to replace for you or reduce this amount in next order.
3. These are not in after sales service: the blade is not sharp when required grinding, broken blade by improper use, blade off, problems by self revising, unsuitable use purpose.

FAQ
Q: Are you trading company or manufacturer?
A: We are 12 years factory, foreign sales team set up in 2014, the team manager has 13 years rick experience to tenderly take care of your orders.

Q: How long is your delivery time?
A: Usually we produce most regular size in stock, can ship as

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