Drillco 1/4 High Spiral Flute 1/4 Shank Construction Reamer (428A116)
Drillco 428A116 1/4 High Spiral Flute 1/4 Shank Construction Reamer is designed for heavy-duty reaming in structural steel fabrication, bridge construction, and other demanding assembly applications. Its tapered point and high spiral flute design allow smooth entry into misaligned or undersized holes while promoting efficient chip removal and precise cutting performance. The 3-flats reduced shank provides a secure grip in the drill chuck. This reamer features four flutes for improved material removal and surface finish, a longer shank suitable for use in turret lathes, and countersinking angles commonly available at 60°, 82°, and 90°. Made from premium materials and crafted in the USA for reliable performance and durability.
1/4" high spiral flute construction reamer with 1/4" reduced shank
Tapered point for smooth entry into misaligned holes
High spiral flute design for efficient chip removal
Four flutes for improved removal rate and surface finish
3-flats reduced shank ensures secure grip
Longer shank suitable for turret lathes
Most common countersink angles available: 60°, 82°, 90°
Made in the USA for quality assurance
Precise alignment of structural steel components
Efficient chip removal with smooth, accurate finishes
Versatile for use with turret lathes and standard drill setups
Durable design extends tool life
Technical Specifications:
Shank Size: 1/4"
Shank Type: 3-Flats Reduced Shank
Flute Type: High Spiral
Point Type: Tapered
Countersink Angles: 60°, 82°, 90°
Application: Heavy-duty reaming in construction, bridgework, and structural steel fabrication
Product identification
- Brand: Drillco
- Model / MPN: 428A116
