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PRODUCT SPECIFICATION
HOFFMANN
DIN 340
HSS Type W
116040 Jobber Drill (5mm)
Deep Hole Drilling Specialist for Non-Ferrous Materials
Precision Deep Hole Drilling
The HOFFMANN 116040 is a high-performance HSS jobber drill designed for deep hole applications. Featuring a strengthened core without core taper and a precision-ground 130° point angle (Form A), this drill provides exceptional stability when used with drill bushings.
Its wide flutes and heavily honed back edges facilitate efficient chip evacuation, making it an ideal choice for short-chipping materials like aluminum.
Technical Highlights
- • Diameter: 5 mm.
- • Max Drilling Depth (L2): 79.5 mm.
- • Geometry: Type W, 30-40° helix angle.
- • Compatibility: Recommended for use with NC spotting drills (No. 112120/112140/112170).
Key Technical Data
| Nominal Ø (DC) | 5 mm |
| Overall Length (L) | 132 mm |
| Flute Length (Lc) | 87 mm |
| Tolerance | h8 |
| Material | HSS |
| Color Ring | Yellow |
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