Общий каталог FANAR 2021 - страница 291

i Technical information Length of full solid cones for selected types of thread (Length of stepped cone Lnak=1.8 mm) M MF M1 0,6 M2,5 x 0,35 1,9 M1,2 0,8 M2,6 x 0,35 1,9 M1,4 1,0 M3 x 0,35 1,3 M1,6 1,1 M 3,5 x 0,35 1,6 M1,7 1,1 M4 x 0,5 1,8 M1,8 1,3 M5 x 0,5 2,3 M2 1,4 M6 x 0,75 2,6 M2,5 1,8 M7 x ,75 3,1 M2,6 1,8 M3 1,3 M3,5 1,5 M4 1,7 M4,5 1,9 M5 2,1 M6 2,5 M7 3,0 UNC UNF No 4-40 2,0 No 4-48 2,1 No 5-40 1,3 No 5-44 1,4 No 6-32 1,4 No 6-40 1,5 No 8-32 1,8 No 8-36 1,8 No 10-24 2,0 No 10-32 2,1 No 12-24 2,3 No 12-28 2,3 1/4-20 2,6 1/4 - 28 2,8 5/16-18 3,3 5/16 - 24 3,5 BSW BSF 1/8 - 40 1,25 1/4 - 26 2,65 3/16 - 24 1,8 5/16 - 22 3,4 1/4 - 20 2,55 5/16 - 18 3,25 4.7. Application of Tools with Internal Channels for Supplying a Coolant IK/IKR IK - Central cooling channel is recommended for the blind holes, facilitates chip evacuation of chips toward the shank, improves lubrication and cooling conditions, extends tool life IKR - Central cooling channel divided into several radial channels, which supply coolant into each of the chip flutes separately. The solution is recommended for tapping of the through holes, facilitates evacuation of chips in the direction of feed, improve lubrication and cooling conditions, extends tool life. 12 288