Description
Overview:
The Dormer A002 HSS‐TiN Coated Jobber Drill is a 9/32 inch (7.14 mm) general‐purpose twist drill for accurate metal drilling. Made from high‐speed steel (HSS) with a hard, low‐friction titanium nitride (TiN) coated cutting tip, it offers reliable performance and long service life. This jobber length bit conforms to DIN 338 RN / BS 328 / ISO 235 for consistent dimensions and fit. It suits hand drills, drill drivers, pillar drills, and other machine tools. Size and geometry are balanced for strength, chip evacuation, and clean hole formation. Overall length is 109 mm (4.29 inches) with a working length of 69 mm (2.72 inches). Model references include A0029/32 and DOR932TIN.
Key Features:
- 9/32 inch (7.14 mm) diameter jobber drill built to DIN 338 RN for dependable sizing and fit
- HSS substrate with TiN‐coated cutting edges for extended wear resistance and heat control
- Self‐centring split point helps prevent walking and improves hole positioning on contact
- Right‐hand spiral flutes support efficient chip removal in common engineering materials
- Straight cylindrical shank for secure grip in standard 3‐jaw chucks and collets
- Works in hand drills, drill presses, and other machine tools for workshop or site use
- Suitable for drilling steel, stainless steel, cast iron, ceramics, and plastics (use appropriate speeds and coolant)
- Overall length: 109 mm (4.29 inches); working length: 69 mm (2.72 inches) for useful reach without excess flex
- TiN coating reduces friction and built‐up edge, aiding cleaner holes and improved surface finish
- Made to ISO 235 / BS 328 for repeatable geometry and consistent performance across batches
Typical Applications:
General fabrication, maintenance and repair, and installation work. Pilot and clearance holes in steel sections, brackets, fixings, and panels. Workshop and on‐site drilling in mild steel, stainless steel, cast iron, plastics, and suitable ceramics. Useful for machinery repair, vehicle and plant maintenance, electrical enclosures, and metalworking tasks requiring a 9/32 inch (7.14 mm) hole size.
Also known as:
Jobber length twist drill, HSS TiN jobber bit, TiN‐tipped metal drill, 9/32 inch HSS drill bit, metalworking twist bit, straight shank drill, right‐hand twist drill, metric‐equivalent 7.14 mm drill, high‐speed steel TiN drill.
Product Specifications
| L&S Part No. | DOR932TIN |
|---|---|
| Manufacturer | Dormer |
| OEM No. | DOR932TIN |
| Unit of Sale | 1 |
| Size | 8mm x 109mm x 8mm |
| Machine Type | Drills |
| Key Features | - 9/32 inch (7.14 mm) diameter for precise metal drilling - HSS with TiN coating for wear resistance - Self-centring split point prevents walking - Right-hand spiral flutes for efficient chip removal - Suitable for steel, cast iron, ceramics, and plastics |
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