Drillco annular cutter details
Drillco 1‑7/8 Annular Cutter 1" DOC Nitro (91N256)
Drillco 91N256 1‑7/8 Annular Cutter 1" DOC Nitro is a high-performance Nitro annular cutter engineered 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 use, cutting time, and operator effort. Ideal for industrial, fabrication, and maintenance applications, this cutter combines precision, speed, and long-lasting durability.
1‑7/8" diameter annular cutter with 1" depth of cut (DOC)
Cobalt construction for enhanced hardness and wear resistance
Center cutting tip for plunging, pocketing, and holemaking
2-flute design for efficient chip removal
Bright finish for improved lubricity and cutting performance
Round shank with 1 flat for secure attachment in holders
Made with premium-grade cobalt for long-lasting tool life
Faster, cleaner hole cutting with reduced operator effort
Minimizes thrust and energy consumption during cutting
Efficient chip removal reduces risk of clogging and improves surface finish
Durable construction lowers replacement frequency and costs
Technical Specifications:
Type: Annular Cutter – Nitro
Diameter: 1‑7/8"
Depth of Cut (DOC): 1"
Material: Cobalt, premium-grade HSS
Construction: Center cutting tip, 2-flute design, bright finish
Application: Large-diameter hole cutting, plunging, pocketing, and metalworking
Product identification
- Brand: Drillco
- Model / MPN: 91N256
