HSS-XE Titan-Tec Coated step drill for guardrail assembly, 6-18mm, Spiral fluted with split point, 2 cutting edges
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- specially designed for drilling in guardrail assembly
- 12 mm step for mounting spars and spacers (extended drill step 12 mm minimizes the danger of accidental drill hole enlargement)
- 18 mm step for guardrail spars and box sections (extended drill step 18 mm for double-drilling / 2 guardrails within 1 work step)
- the stop ring prevents the step drill from slipping through while powerful working. Protects man and machine.
- step drill made of high-alloyed special steel XE + TITAN-TEC coating for maximum service life also when machining dry (cutting oil recommended, see page 1211 and following)
- cutting depth for Diameter6, 8, 10, 14, 16 = 4 mm
- cutting depth for Diameter12, 18 = 6 mm
- 3-Flat shank (excellent torque transmission, no slippage in the drill chuck, this results to superior cutting output)
- significant cost reduction for drilling fully galvanized materials
- optimall cutting behavior due to constant cutting angles
- No tilting of the drill during the cutting process, therefore no wirst joint injuries (no accidents at work)
Especially for HSS-XE drills.
- Coating technology: PVD
- Micro hardness: 3500 HV0.05
- Coating material: TiAlN based
- Coating thickness: Diameter-related
- Max. operating temperature: 1000 degrees C
This optimized Karnasch TITAN-TEC coating simplifies the processing and handling of materials that are difficult to machine. Especially for dry work, it increases process reliability under the most difficult working conditions. With Karnasch TITAN-TEC coated HSS-XE tools you achieve unique tool life and performance in all steel types.
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