Drillco 1-9/16" Taper Shank Drill #4 M.T. Smaller (1450A236)
Drillco 1450A236 1-9/16" Taper Shank Drill #4 M.T. Smaller is designed for industrial users who need powerful drilling capability in machines with limited taper capacity. Featuring a reduced #4 Morse Taper shank, this drill bit maintains full cutting performance while offering greater flexibility in setup. It’s optimized for deep-hole drilling in a wide variety of metals, including steel, cast iron, and other tough alloys.
#4 Morse Taper (M.T.) small shank for use in machines with smaller spindle tapers
Manufactured from premium high-speed steel (HSS) for extended tool life
118° conventional point ensures clean starts and aggressive cutting
Black oxide coating improves resistance to wear and heat
18" overall length with 13" flute length for deep-hole drilling operations
1/2" reduced round shank for compatibility with a variety of drill press setups
Capable of drilling large-diameter holes without requiring a large-taper spindle
Excellent chip evacuation and reduced friction for smooth operation
Designed for durability in heavy-duty and continuous-use environments
Technical Specifications:
Drill Size: 1-9/16"
Shank Type: #4 Morse Taper (Small)
Overall Length: 18"
Flute Length: 13"
Point Angle: 118° Conventional
Material: Premium High-Speed Steel (HSS)
Surface Finish: Black Oxide
Application: Deep-hole drilling in a range of materials where a reduced taper shank is required
Product identification
- Brand: Drillco
- Model / MPN: 1450A236





