Metric tap set details
Drillco 12mm x 1.75 Metric Tap Set (28E120AS)
Drillco 28E120AS 12MM x 1.75 Metric Tap Set – 2800E Series is a high-quality threading solution designed for versatility, durability, and precision. This comprehensive set typically includes taper, plug, and bottoming taps, giving machinists and technicians the flexibility to handle every stage of the threading process—starting, intermediate, and finishing. Featuring a straight flute design, these taps deliver smooth cutting action and efficient chip removal across a broad range of materials. Manufactured from general-purpose high-speed steel (HSS), they offer a balance of strength, heat resistance, and wear durability. The black oxide surface treatment further enhances tool life by reducing friction and improving chip flow. Proudly made in the USA, this set meets professional standards for accuracy and long-term reliability.
Complete set with taper, plug, and bottoming taps for full threading versatility
Straight flute design ensures consistent performance across a wide range of materials
Made from general-purpose HSS for a strong balance of toughness and durability
118° conventional point for smooth, rapid thread starting
Black oxide surface treatment enhances lubricity and extends tool life
Standard metric thread size of 12MM x 1.75 pitch
Square shank for compatibility with standard tap wrenches
Allows threading from start to finish without needing additional tools
Improves chip removal for cleaner, more accurate threads
Reduces friction and heat buildup during cutting
Durable construction withstands repeated use in production and repair applications
Precision-engineered for consistent thread quality
Technical Specifications:
Type: Metric Tap Set (Taper, Plug, Bottoming)
Size: 12MM x 1.75
Material: High-Speed Steel (HSS)
Finish: Black Oxide
Point Angle: 118° Conventional
Geometry: Straight Flute
Shank Type: Square
Application: Through holes, blind holes, new threading, and rethreading
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 28E120AS





