SQUARE ER-25 COLLET BLOCK (3900-5123)

SQUARE ER-25 COLLET BLOCK (3900-5123) (SKU: 3900-5123)

Block dimensions are 1-3/4 x 1-3/4 x 2.7″

• For fast set-ups on CNC machines
• For parallel, square or hex shapes as well as for cross hole drilling at 60, 90 or 120 degrees
• Made of tool steel hardened and ground to .0005″ flatness, squareness and parallelism
• May be used standing upright
• Uses standard ER collets
• 11/16″ through hole allows for long parts to be machined
• ER nut included

Specifications

• Block dimensions are 1-3/4 x 1-3/4 x 2.7″.
• For fast set-ups on CNC machines.
• For parallel, square or hex shapes as well as for cross hole drilling at 60, 90 or 120 degrees.
• Made of tool steel hardened and ground to .0005″ flatness, squareness and parallelism.
• May be used standing upright.
• Uses standard ER collets.
• 11/16″ through hole allows for long parts to be machined.
• ER nut included.
• Weight: 1.05
• Dimensions: L 2, W 2, H 3

Benefits

• Industrial-grade tooling designed for dependable shop performance.
• Supports consistent results when applied with correct setup practices.
• A practical choice for U.S. machine shops and maintenance work.

Recommended use

• Confirm compatibility (size, interface, machine capacity) before ordering.
• Follow safe operating practices and use appropriate PPE.
• Optimize setup rigidity and process parameters for best results.

USA Warehouse Stock — Fast U.S. fulfillment.