ბურღი - DIN1835A-H7-D5,4-L93/26
Material to be processed | Steel Cast metal Stainless steel Titanium Copper Brass Aluminium Plastic |
Cutting edge diameter (d1) | 5.40 mm |
Shaft diameter (d2) | 6 mm |
Length (l1) | 93 mm |
Cutting edge length (l2) | 26 mm |
Projecting length (l3) | 57 mm |
Number of cutting edges (Z) | 6 PCS |
Core hole diameter | 5.20 mm |
Standards | DIN Similar to 212 |
Form | B |
Cutting material | HSCo |
Surface | Uncoated |
Groove type | Left-hand twist, 8° |
Shank style | Cylindrical DIN 6535-HA |
Tolerance of fit | H7 |
Max. drilling depth (D) | 8xD |
Hole type | Clearance hole |
Coolant supply | External |
Service life (points system) | 3 of 4 points |
Versatility (points system) | 4 of 4 points |
Tolerance of cutting edge diameter | h7 |
Tolerance of shank diameter | h6 |
Material sub-group | General structural steels Non-alloyed tempering steels < 1000 N/mm² Alloyed tempering steels < 1000 N/mm² Nitriding steels < 1300 N/mm² Grey cast iron Malleable cast iron Stainless steels < 850 N/mm² Stainless steels > 850 N/mm² Titanium Titanium alloys Copper Brass Aluminium Plastics |