Technical data:
Nominal ⌀ DC:4.5 mm
Coating:uncoated
Tolerance:H7
Tool material:HSS E
Standard:Manufacturer’s standard
Through-coolant:no
Shank:DIN 1835 A to h6
Application for type of drilling:for through holes
Flute length Lc:21 mm
Overhang L1:51 mm
Overall length L:80 mm
Number of cutting edges Z:6
Shank ⌀ Ds:5 mm
Feed f in steel < 750xa0N/mm2:0.15 mm rev. Reaming oversize in diameter:0.1 mm Shank tolerance:h6 Colour ring:green Type of product:Phillips bit Version: Version suitable for NC similar to DIN 212 with straight shank ⌀ for standard chucking especially in hydraulic chucks or high precision collet chucks. For highest concentricity and process reliability. No need to order special collets.With long flutes and left-hand helix.≤ ⌀ size 1.7 with 3 teeth; ≥ ⌀ size 1.8 even number of teeth and irregular spacing. ≤ ⌀ size 3.7 both ends with centre points; ≥ ⌀ size 3.8 both ends with centre holes.Reamer manufacturing or cutting edge tolerance to DIN1420 for H7 bore tolerance. Note: For reamers in 1/100 sizes see No. 162902.For reamers with diameters and fits to specification see No. 162951