Drillco 5/8 Spiral Flute 1/2 Shank Construction Reamer (427A140)
Drillco 427A140 5/8 Spiral Flute 1/2 Shank Construction Reamer is designed for heavy-duty reaming applications commonly found in structural steel fabrication, bridge construction, and automotive assembly work. This reamer excels at enlarging and aligning holes in metal components with high accuracy. The tapered point allows smooth entry into misaligned holes, ensuring precise results. Its spiral flute design promotes efficient chip removal and smoother cutting action. Made from premium-grade high-speed steel HSS, it delivers exceptional durability and long service life. The 135° self-centering split-point reduces walking and lowers thrust requirements, while the black oxide surface treatment enhances wear resistance. Featuring a 3-flats reduced shank, it provides a secure grip in drill chucks. Proudly made in the USA.
5/8" spiral flute construction reamer with 1/2" shank
Tapered point for easy entry into misaligned holes
Premium-grade HSS with 135° self-centering split-point
Black oxide finish for improved durability
Spiral flute design for smooth cutting and efficient chip removal
3-flats reduced shank for secure chuck grip
Provides accurate alignment and enlargement of holes in structural applications
Reduces walking and improves drilling stability
Extends tool life with durable materials and surface treatment
Prevents slippage with 3-flats shank design
Technical Specifications:
Type: Spiral Flute Construction Reamer
Shank Size: 1/2"
Flute Type: Spiral
Point Type: Tapered 135° self-centering split-point
Material: Premium High-Speed Steel HSS
Surface Treatment: Black oxide
Shank Design: 3-flats reduced shank
Applications: Structural steel fabrication bridge construction automotive assembly
Product identification
- Brand: Drillco
- Model / MPN: 427A140
