Description

Drillco 91N316 2‑1/4 Annular Cutter 1″ DOC Nitro is a professional-grade broach cutting tool designed for fast, efficient large-diameter holemaking. Nitro-treated for superior hardness and wear resistance, this cutter removes only the periphery of the hole while ejecting the slug cleanly at the end of the cut. Ideal for metalworkers, fabricators, and industrial applications requiring low-thrust, energy-efficient drilling.

Features:

2‑1/4″ diameter annular cutter with 1″ depth of cut
Nitro-treated cobalt construction for milling harder materials
Center cutting tip allows plunging, pocketing, and holemaking
2 flutes provide efficient chip removal and smoother cuts
Bright finish for reduced friction and improved cutting performance
Round shank with 1 flat for secure tool attachment
Made in USA

Benefits:

Fast and energy-efficient large-diameter holemaking
Reduced thrust requirements for easier and safer operation
Durable cobalt construction ensures long-lasting performance
Center cutting design enhances versatility for multiple machining tasks
Efficient chip removal minimizes heat buildup and improves surface finish

Technical Specifications:

Model: 91N316
Type: 2‑1/4″ Annular Cutter
Depth of Cut: 1″
Material: Nitro-treated cobalt
Applications: Large-diameter holemaking, plunging, pocketing, broach cutting
Shank: Round with 1 flat
Compatible With: Drillco 9100N systems