.91 X 3.09″ 45 DEGREE CAT50 1″-8 RETENTION KNOB (3900-5535)

.91 X 3.09″ 45 DEGREE CAT50 1″-8 RETENTION KNOB (3900-5535) (SKU: 3900-5535)

91 X 3.09″ CAT50 45 Degree 1″-8 Retention Knob

• Heat treated alloy steel hardened to HRC 52
• 56°
• L is 3.09″
• L1 is 1.39″
• L2 is .39″
• D is 1.50″
• D1 is .91″
• D2 is .67″
• The thread is 1″-8

Specifications

• .91 X 3.09″ CAT50 45 Degree 1″-8 Retention Knob
• Heat treated alloy steel hardened to HRC 52~56°.
• L is 3.09″.
• L1 is 1.39″.
• L2 is .39″.
• D is 1.50″.
• D1 is .91″
• D2 is .67″.
• The thread is 1″-8.
• Weight: 0.6
• Dimensions: L 3, W 1, H 6

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.