TinyMiniTurn – Sleeve – SH725


Long tool life - TinyMini-Turn and its chipping-resistant SH725 grade provided 30% increase in tool life. Excellent chip control - Featuring four peripheral coolant holes, Tungaloy’s new JBBS20-7-L100C-4N sleeve supplied streams of coolant jets directly to the cutting zone, dramatically reducing chip entanglement and re-cuts that was causing scratches on the finished surface. TinyMini-Turn tools with its new sleeve for improved coolant supply, are perfect combination for internal grooving of small bores.

Industry Miniature
Component Sleeve
Material ISO code P - SteelP - Steel
Work material SUJ2
Machine(spindle type) Swiss Lathe
Tool family Turning
Tool category Internal grooving
Product name TinyMini-Turn
TSR No. 1536T


Tungaloy Competitor
Sleeve JBBS20-7-L100C-4N Sleeve
Insert TBTR07140015-D060 Solid carbide boring bar
Grade SH725 PVD (P25)

Cutting conditions

Tungaloy Competitor
Cutting speed V/c (mm/min) 153 153
Feed f (mm/rev) 0.1 0.1
Depth of cut ap (mm) 0.1 0.1
Coolant Internal Internal


Tool life+30%