
PROJAHN Long twist drills with cylindrical shank, ground HSS-G DIN 340 type N – Ø mm 7, L 156, L2 102 (30700)
Code: 30700 · Brand: Projahn · Accessories & bits · On order · Price on request
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Delivery in Yerevan in 1–2 working days · pickup from two shops · Ordering, payment and delivery · Returns and warranty
powerful, sturdy, high concentricity, high cutting performance, low tendency to weld build-up on the cutting faces, good chip removal, right-hand cutting
For deep and recessed holes as well as for drilling through drill bushings; when used as a deep-hole drill, small feed rates and frequent chip removal are necessary
Specifications
| Article No. | 30700 |
|---|---|
| EAN | 4000146307007 |
| Ø mm | 7 |
| L | 156 |
| L2 | 102 |
| Quality level | Plus |
| Standard(s) | DIN 340 |
| Tolerance | h8 |
| Material | HSS |
| Point grind | Conical relief |
| Point angle | 135° |
| Point thinning | DIN 1412 |
| Core thickness | normal |
| Core taper | normal |
| Side rake angle (helix angle) | normal |
| Flute shape | normal |
| Other design features according to | DIN 1414 |
| Tool holder | Cylindrical |
| Application | Steel, cast iron |
| Packaging | Quadro Pack 10 pieces each up to Ø 10; 5 pieces each from Ø 10.2 |











































































































































