Drillco 7/8 Spiral Flute 1/2 Shank Construction Reamer (427E156)

Description

Drillco 427E156 7/8 Spiral Flute 1/2 Shank Construction Reamer is designed for heavy-duty reaming in structural steel assembly fabrication. Its tapered point allows smooth entry into holes that are out of alignment, ensuring precise and efficient enlargement. Made from premium grade cobalt HSS, this reamer can handle harder materials and drill approximately 30% faster than standard HSS. The bronze surface treatment provides high lubricity, while the 3-flats reduced shank ensures a secure grip in the chuck. The shorter screw machine length adds rigidity to minimize breakage during operation.

Features:

• Premium grade cobalt HSS for harder materials and faster drilling
• Self-centering 135° split-point reduces walking and thrust
• Bronze surface treatment provides high lubricity
• Short screw machine length increases rigidity and reduces breakage
• Tapered point for smooth entry into misaligned holes
• 3-flats reduced shank for secure, non-slip chuck grip

Benefits:

• Enables faster and efficient reaming in challenging materials
• Durable construction for prolonged industrial use
• Improved chip removal and cutting efficiency
• Reduces risk of breakage under heavy loads

Technical Specifications:

• Model: 427E156
• Size: 7/8″
• Type: Spiral Flute Construction Reamer
• Shank Size: 1/2″
• Point Type: Tapered point, 135° split-point
• Material: Premium grade cobalt HSS
• Surface Treatment: Bronze
• Shank Style: 3-flats reduced shank
• Applications: Fabrication of structural steel assemblies
• Origin: Made in USA