Drill bushing HDB-5

Product overview
The HDB-5 drill bushings provide precise drill guidance for toolholders and turrets. They feature a knurled shoulder for easy installation and removal and a milled flat on the outer diameter where set screws clamp the bushing. The HDB series covers multiple O.D. options and a wide range of hole-sizing systems to fit shop standards and tooling.

Key features

• Knurled shoulder for installation and removal
• Milled flat on O.D. for secure clamping by toolholder or turret set screws
• Available in fractional, decimal, metric, letter and number sizing systems
• HDB-5 corresponds to 5/8" O.D.; other series sizes include HDB-2 (1/2"), HDB-6 (3/4") and larger O.D. variants

Available finishes and sizing methods

• Finish: Smooth
• Sizing methods: Number, Letter, Metric, Decimal Inch, Fractional Inch

Order hole size options (examples & ranges shown on product page)

• Fractional inch: examples and sets by 64ths; range example shown 1/32" to 1/2"
• Decimal inch: examples and ranges, e.g. 0.0625" to 0.500"
• Metric: individual sizes and ranges, e.g. 1 mm up to 13 mm (including common sizes like 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, etc.)
• Letter sizes: examples A (0.234") through Z (0.413")
• Number sizes: multiple numbered drill sizes with decimal equivalents shown (examples include #67 (0.032") through larger numbered sizes)

Notes
Knurled shoulder for installation/removal; O.D. has a milled flat for clamping by toolholder or turret set screws. Product images may illustrate a range of variants and may not exactly match a specific ordered configuration. Confirm required hole size method when ordering.

Technical specifications

• Collet Series: HDB
• Brand: Hardinge
• Style: HDB5
• Model / Commercial name: HDB-5 (5/8" OD bushing series)
• Available sizing methods: Number, Letter, Metric, Decimal Inch, Fractional Inch
• Finish (example shown): Smooth
• Price (range shown on page): USD $60.00 - $103.00