Feature(may vary by option.)

●The tiered design, the size from small to large, can meet your different drill size requirements.
●Double-helix HSS cone drill bit for reduced cutting resistance and fast chip removal.
●118°X - shaped opening design, the drill bit slips less and the positioning is more accurate.
●Wide range of applications, can be used in lithium drills, hand drills, bench drills, etc.
●Step drill bit made of high-speed steel, strong and wear-resistant, durable.

[Gerader Schlitzsatz]




[4-12 MM]




[4-20 MM]




[4-32 MM]




[Doppelhelix Set]





Description

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Please note:

1. When drilling holes with large diameter and material hardness is large, cutting fluid cooling drill must be added, when drilling and adding cutting fluid cooling, can effectively extend the life of the drill.

2. The use of electric drills, metal can not exceed 2 mm, table drill work is 2-5 mm is possible, the use of the process is easy to smoke to high temperatures, need to add cutting fluid cooling.

3. Be sure to wear protective equipment when drilling.

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Steel, iron and aluminium sheets

Length:Length:

Wood

PVCPVC

PVC material

4-12 4/20 4/6 UK 4-12-20-32 Glossy
4-12 4/20 4/6 UK Double helix set Straight slot set
Spiral groove ✓ ✓ ✓ ✓
Straight groove ✓