Name: GUOSHUCHE Drill Bit High-Speed Steel Drill Pagoda Stepped Hexagonal Shank Reamer High-Speed Steel Drill Stepped Reamer 3-13mm Industrial Cutting Accessories
Brand: GUOSHUCHE
Availability: InStock

Special Features

Unique ladder configuration, a variety of standard size drill openable aperture, a step drill bit against the box.
Without using a center punch, not easy to break compared with ordinary twist drill.Site construction, a step drill specifications apply.
Deburring, chamfering, expanding open oval hole, twist drill unable to complete the function it is possible.
And compared to ordinary twist drill.Small sway, without leading to use a center punch can carve out a nice aperture.
Tools: pistol drill, bench drill.When the operation of the cooling water side edge, can effectively extend the service life of the drill bit, drilling rate recommended 250--400 rpm.

Description

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Shipping list: 1 × hex shank step drill 3-13mm

Name: HSS stepped hexagonal shank drill 3-13MM

Order 3-13mm 11: (3 4 5 6 7 8 9 10 11 12 13mm)

Weight 25g

Material: High Speed Steel

Category: ladder drill

Blade Diameter: 3 (mm)

Blade length: 4 (mm)

Total length: 72 (mm)

Shank Diameter: 6.35 (mm)