TungDrillTwisted – Connecting Rod – AH725


The combination of highly rigid TungdrillTwisted and DW chipbreaker with exceptionally strong edge enables stable machining, even when drilling uneven surface. With the high reliability, TungdrillTwisted provides 1.7 times longer tool life than the competitor, without sudden fracture.

Industry Automotive
Component Connecting Rod
Material ISO code P - SteelP - Steel
Work material C55
Machine(spindle type) Dedicated Machine
Tool family Holemaking
Tool category Drilling
Product name TungDrillTwisted
TSR No. 093D
Connecting Rod


Tungaloy Competitor
Body TDX200F25-3 Indexable drill
Insert XPMT06X308R-DW Square type insert
Grade AH725 PVD

Tool life

Tungaloy Competitor
Tool life (m/insert) 500 300

Cutting conditions

Tungaloy Competitor
Tool diameter DC (mm) 20 20
Hole depth H (mm) 22 22
Cutting speed V/c (mm/min) 90 90
Feed f (mm/rev) 0.06 0.06
Coolant Water soluble (Internal) Water soluble (Internal)


Tool life1.7 times