Straight Shank Twist Drills – Marine-Grade Cutting Tools

Straight shank twist drills are essential cutting tools for any shipboard workshop or maintenance kit. Designed for precision drilling in metal, wood, and composite materials, these drills feature a robust high-speed steel (HSS) construction that withstands the demanding conditions of marine environments. Whether you are performing routine repairs, fabricating brackets, or installing equipment, these twist drills deliver clean, accurate holes with minimal effort.

Each drill incorporates a self-centering 135° split point that reduces walking and eliminates the need for a center punch. The straight cylindrical shank is compatible with standard drill chucks, making them versatile for use with hand drills, drill presses, and magnetic drilling machines. Available in a full range of metric sizes from 1 mm to 13 mm, they cover most onboard drilling requirements. Stock up at ALL-K MARINE Ship Store to ensure your crew is always prepared for any cutting task at sea.

Key Features

Technical Specifications

SpecificationDetails
MaterialHigh-Speed Steel (HSS)
Shank TypeStraight (cylindrical)
Diameter Range1.0 – 13.0 mm (0.04" – 0.51")
Point Angle135° split point
Flute LengthVaries by diameter (standard metric)
CoatingSteam oxide (black oxide)
ApplicationMetal, wood, plastic – suitable for marine use

Frequently Asked Questions

Are these twist drills suitable for stainless steel?

Yes, the high-speed steel construction and 135° split point allow these drills to handle stainless steel and other hard metals when used with appropriate cutting speeds and lubrication.

What sizes are included?

We offer individual sizes and complete sets ranging from 1 mm to 13 mm, so you can choose the exact diameter needed for your job or stock a full kit.

Can I use these drills on board a ship?

Absolutely. These drills are designed for marine maintenance and fabrication, and the steam oxide coating provides corrosion resistance for use in humid or salty environments.

Do they fit standard drill chucks?

Yes, the straight shank is compatible with all standard 3-jaw and keyless chucks, including handheld drills and drill presses.

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