HSS step drills

Step drill HSS 12 drilling steps dia. 6-37 mm 3-surface shaft dia. 10 mm

STB HSS 06-37/10

Item number:: 25201040
EAN:: 4007220165904

Step drill HSS 12 drilling steps dia. 6-37 mm 3-surface shaft dia. 10 mm 1

Step drill HSS 12 drilling steps dia. 6-37 mm 3-surface shaft dia. 10 mm 2

Step drill HSS 12 drilling steps dia. 6-37 mm 3-surface shaft dia. 10 mm 3

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Drill bit dia. range

3,5 - 40 mm 4 - 12 mm 4 - 20 mm 4 - 30 mm 4 - 39 mm 6 - 37 mm 7 - 32,5 mm 7 - 40,5 mm

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Technical information

Step drill HSS 12 drilling steps dia. 6-37 mm 3-surface shaft dia. 10 mm

Dia. shank: 10 mm
Length, total: 100 mm
Number, drill steps: 12 pcs.
Version: HSS
Packaging unit: 1 piece

Description

HSS step drills for drilling and deburring thin sheets, pipes and profiles made from various materials. To ensure reliable torque transmission, all step drills have a three-surface shaft.

Advantages

Drilling and deburring in a single step.
Completely smooth running and a high cutting performance.
The high-quality drill tip ensures effortless centring and drilling.
The tool taper makes it easier to pull back from drilled plates.
Chips which do not break are neatly removed as with a spiral drill.
Built-up edges and cold welding on the blades are prevented.

Recommendations for use

Use HSS step drills on sheets, pipes and profiles with a maximum thickness of 4 mm.
Use cutting oil/compressed air as a coolant and lubricant in the case of step drills without a coating.

Safety notes

To ensure reliable torque transmission, step drills have a three-surface shaft.

Materials that can be worked: Aluminium; Brass; Bronze; Case-hardened steels; Chipboard; Copper; Fibre-reinforced thermosetting plastics (GRP, CRP); Fibre-reinforced thermosetting plastics (GRP, CRP) with a fibre content > 40 %; Fibre-reinforced thermosetting plastics (GRP, CRP) with a fibre content ≤ 40 %; Hard non-ferrous metal; Hardwood; Other; Other non-ferrous metals; Plastics; Soft aluminium alloys; Soft titanium alloys (tensile strength 500 N/mm²); Soft wood; Steel; Steel, cast steel; Steels up to 1,200 N/mm² (< 38 HRC); Steels up to 700 N/mm² (< 220 HB); Thermoplastics; Thermosetting plastics; Titanium; Titanium alloys; Tool steels; Tough aluminium alloys; Wood; Zinc

Applications: Countersinking; Deburring; Drilling

Drive types: Column drill; Power drill

Downloads

brochure-drilling-and-countersink-tools-2022-web-en.pdf

HSS step drills

Step drill HSS 12 drilling steps dia. 6-37 mm 3-surface shaft dia. 10 mm

STB HSS 06-37/10

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