Drillco annular cutter details
Drillco 3‑7/16 Annular Cutter 1" DOC 1‑1/4" Shank (91SE428)
Drillco 91SE428 3-7/16 Annular Cutter 1" DOC with 1-1/4" Shank is a premium HSS annular cutter engineered for high-efficiency large-diameter holemaking. Its broach cutting design removes only the periphery of the hole, ejecting the slug cleanly while reducing energy consumption and cutting thrust. Perfect for professional metal fabrication and industrial applications, it ensures precision, speed, and durability.
3-7/16" diameter with 1" depth of cut (DOC)
1-1/4" shank for stable and secure attachment
Tip made from solid carbide for maximum hardness and longevity
Carbide base material drills up to 2x faster than standard HSS
118° conventional point for accurate and rapid penetration
Bright finish for enhanced lubricity
Efficiently removes only the periphery of the hole and ejects the slug
Fast, efficient drilling of large-diameter holes with minimal effort
Durable carbide tip extends tool life
Consistent and precise results for professional metalworking
Reduced energy usage and lower cutting thrust
Technical Specifications:
Type: HSS Annular Cutter with Solid Carbide Tip
Diameter: 3-7/16"
Depth of Cut (DOC): 1"
Shank: 1-1/4" Round
Material: HSS body with solid carbide tip
Applications: Broach cutting, large-diameter holemaking, precision metalwork, pocketing, and profiling
Product identification
- Brand: Drillco
- Model / MPN: 91SE428





