DescriptionForstner 1622.2 series 5 pcs. 5 pcs. Set in wooden case Ø 15, 20, 25, 30, 35 mmOverall length 90mmEffective length 57mmShank size 10mm Bormax 2.0! Centre point with cutting character. Two in reverse order staggered, grooved main cutting edges (from Ø 11 mm), a circumferential cutting edge with longitudinal grooves – both effecting that a clear less feed force is necessary. Also they minimise the friction and the growth of heat. Hexagonal shank for a better power transfer Alloyed Tool Steel 900 – 3200 rpm. e.g. Ø 1 inch 2200 rpm in glue lam (glue laminated timber). Further details in the speed diagram Rapid drilling in soft wood, European hard wood, chipboard, MDF etc. Rapid chipping of solid wood and chipboards. Clearly less effort is needed and boring is more rapid than with the usual Forstner bit Top for freehand drilling and stationary use. The low heat development offers an incredibly long service life with highest drilling quality Packing unit = 1, Wooden Box
