Description
Drillco 428A156 7/8 High Spiral Flute 1/2 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.
Features:
- 7/8″ high spiral flute construction reamer with 1/2″ 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°
- Lightweight and portable design
- Ergonomic and quick-release handle features for ease of use
- Made in the USA for quality assurance
Benefits:
- Precise alignment of structural steel components
- Efficient chip removal with smooth, accurate finishes
- Versatile for use with turret lathes and standard drill setups
- Ergonomic design reduces operator fatigue and improves control
- Durable design extends tool life
Technical Specifications:
- Model: 428A156
- Size: 7/8″
- Shank Size: 1/2″
- 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
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