深孔明工具 日本ビーテーエー株式会社

 

Brazed Solid Boring


 

 

BTA System  (Single Tube System)
Brazed Single-Cutter Solid Boring Head    Type SB
 

This head is regrindable and has an inner single start thread. (BTA standard thread.)

Head dia. L B Bar dia. Head dia. L B Bar dia.
14.30 - 15.00 52.5 11 12 30.00 - 31.99 65 20.5  26
15.01 - 16.50 52.5 12.5 13 32.00 - 33.99 82 20.5  28
16.51 - 17.25 55.5 13.5 14-1 34.00 - 36.99 82 23  30
17.26 - 18.00 55.5 13.5 14-2 37.00 - 39.99 82 23  33
18.01 - 19.00 55.5 13.5  15 40.00 - 43.99 90 24  36
19.01 - 19.99 55.5 13.5  16.5 44.00 - 46.99 95 24  39
20.00 - 21.99 57.5 15.5  18 47.00 - 51.99 95 25  43
22.00 - 24.99 57.5 15.5  20 52.00 - 56.99 100 25.5  47
25.00 - 26.99 65 19.5  22 57.00 - 60.99 100 26  51
27.00 - 29.99 65 19.5  24 61.00 - 67.99  100  27  56 
The standard cutter carbide is P10 or M20, and H10 is available upon request.

 

 
CBN (Borazon) is brazed at the tip of the cutter, and this head is used for finish-boring tough alloys or exotic materials. This has an additional guide, which keep the bore dia. to closer  tolerance  when boring through.