Drillco annular cutter details
Drillco 5/8 Annular Cutter 1" DOC Nitro (91N140)
Drillco 91N140 5/8 Annular Cutter 1" DOC Nitro is a high-performance Nitro annular cutter designed for efficient large-diameter hole cutting in metals. Its broach cutting design removes only the periphery of the hole, ejecting a slug at the end, while reducing energy consumption, penetration time, and operator effort. Ideal for industrial, fabrication, and maintenance applications, this cutter combines precision, durability, and speed for demanding jobs.
5/8" diameter annular cutter with 1" depth of cut (DOC)
Cobalt construction for enhanced hardness and wear resistance
Ball nose for profiling, grooving with radii, and contouring
2-flute design ensures efficient chip removal
Bright finish for reduced friction and improved cutting performance
Round shank with 1 flat for secure attachment in holders
Made with premium-grade HSS for extended tool life
Fast, clean hole cutting with minimal operator effort
Reduces thrust and energy consumption during cutting
Ideal for profiling, grooving, and contouring applications
Long-lasting durability reduces replacement frequency and costs
Technical Specifications:
Type: Annular Cutter – Nitro
Depth of Cut (DOC): 1"
Material: Cobalt, premium-grade HSS
Construction: Ball nose, 2-flute design, bright finish
Application: Large-diameter hole cutting, profiling, grooving, and contouring in metals
Product identification
- Brand: Drillco
- Model / MPN: 91N140

