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Dormer C191 3/8" HSS-XS1 Scr/Shank Slot Drill

Dormer C191 3/8" HSS-XS1 Scr/Shank Slot Drill

Used for milling keyways and slots in one unit. Bright finish. Flute type: 30 helix. Manufactured to BS 122: Part 4: 1980. Material: XS1 HSS powder metallurgy steel. This provides a finer and more consistent grain structure than HSCo resulting in a tougher product able to more easily withstand the shock load and intermittent cutting associated with milling operations. Tool life and wear resistance, exceeds standard HSS and is comparable to HSCo cutters. Superior edge strength and rigidity, resulting in improved surface finish and slot consistency equal to and in some cases better than HSCo. A productivity increase of around 40% over existing HSS cutters. Flute and overall lengths: to BS122/4. Finish: bronze finish: provides a uniform structure and hardness at the tool surface, whilst also aiding tool identification. For all dimensional and technical information please refer to our catalogue.

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Dormer E500 HSS Coarse Tap Straight Flute 14mm Taper DORE500140T

Dormer E500 HSS Coarse Tap Straight Flute 14mm Taper DORE500140T

Dormer E500 straight flute taps are the only type of taps that can be used by hand, but they may also be used in a machine if required. Extremely versatile, can tap through or blind holes in most materials. When tapping blind holes straight flute taps should be used in sets. The three taps which form a set are known by more than one name. 1. Taper or First tap2. Second or Intermediate tap3. Bottoming, third or plug tap. Metric coarse straight flute taps. Tolerance: Class 2 for 6H FitSurface treatment: BrightMaterial: HSS High Speed SteelChamfer No: 1,2 and 3, Serial no 4 and 5Flute Geometry: Straight Flutes ISO529

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