- 5318 Victory Drive
Indianapolis, IN 46203 - (800) 622-4824
- www.haggard-stocking.com
1/2-20 in. UNF HSS Oxide Finish 2B 2 Flute 30 Deg. Combination Drill and Tap
- Item Code: 0338988
- Brand: Dormer
- Unit Size: 1
Description
Combination drill-tap with a 30? spiral flute, for Unified National Fine thread UNF 1/2" with 20 TPI and Medium class of fit, dimensions according to DORMER-DIN standard with 9.0mm shank and 7.1mm square drive, HSS with steam tempered surface finish and 30? helix angle for 1.5xD through hole threading in free machining steel
Features
Back To Top- High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials
- Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals
Tech Specs
Back To Top| Overall Length Inches | 4.4882 |
|---|---|
| Number of Flutes | 2 |
| Brand | Dormer |
| Overall Length Metric | 114 mm |
| Shank Style | Cylindrical shank with Square |
| Cutting Direction | Right |
| Helix Angle | 30 Deg. |
| Coating/Finish | Steam Tempered |
| Material | HSS |