Drillco 1-7/16 High Spiral Flute 3/4 Shank Nitro Construction Reamer (428N228)

Description

Drillco 428N228 1-7/16 High Spiral Flute 3/4 Shank Nitro Construction Reamer is engineered for heavy-duty construction applications that demand precision and durability. The high spiral flute design enables fast shearing cuts, reducing chip size and minimizing chatter for smoother operation. Its black and gold surface treatment improves lubricity, while a protective hard layer enhances hardness without increasing brittleness. The 3-flats reduced shank ensures secure grip and reliable performance in both handheld and machine operations.

Features:

• 1-7/16-inch Nitro construction reamer with high spiral flute
• 3/4-inch reduced shank with 3-flats for secure grip
• Black and gold surface treatment for maximum lubricity
• Protective hard layer increases hardness without brittleness
• 6 flutes for fast shearing cuts and reduced chip size
• Supports common countersink angles: 60°, 82°, 90°
• Durable design for heavy-duty construction use
• Made in the USA

Benefits:

• Delivers fast and efficient material removal with minimal chatter
• Ensures precise and consistent hole sizing
• Extends tool life and reduces wear
• Secure shank grip improves stability during operation
• Versatile for handheld and machine-based applications

Technical Specifications:

• Model: 428N228
• Size: 1-7/16 inch
• Shank: 3/4-inch reduced with 3-flats
• Flute Count: 6 high spiral flutes
• Surface Treatment: Black and gold with protective hard layer
• Supported Countersink Angles: 60°, 82°, 90°
• Applications: Heavy-duty construction and structural reaming