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Workshop Machinery · Grinding & linishing

Optimum GH15T Drill Sharpening Machine

Drill grinder, Single phase 230v

POA Excludes GST. Configuration and freight quoted with your enquiry.
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NZ Prepared, installed and supported nationwide by Scott Machinery.

Capacity 3mm - 30mm diameter twist drills
Spindle speed 5,000rpm
Motor 0.45kW 230V / 50Hz
Size 450mm x 240mm x 270mm
NZ owned Since 1989
Industry people Practical machine advice
Auckland + Christchurch Two support hubs
Nationwide support Installation, training & service
Parts & accessories Large local range

Product overview

About this machine.

Optimum Maschinen is a respected German company known for manufacturing high-quality machine tools built to strict European standards. Since its founding in 2003, Optimum has become a trusted name in the metalworking industry, offering a wide range of equipment including metal lathes, milling machines, drilling machines, and grinding tools. Designed in Germany and engineered for precision, reliability, and durability, Optimum machines are used across workshops, training centres, and industrial environments throughout Europe and beyond. Their products are developed with a strong emphasis on innovation, safety, and compliance with European CE regulations, ensuring exceptional performance and long service life.

The Optimum Optigrind GH15T is a robust and versatile drill bit grinder designed for precise, cost effective sharpening of both single and double ended twist drills from 3mm to 30mm diameter. Operating at 5,000rpm, it's powered by a 0.45kW motor on standard 230V / 50Hz, enabling clean, fast sharpening workflows Designed with user-friendliness in mind, the GH15T allows drill grinding without prior experience. The ER collets securely position the drill during sharpening, guiding it through fixed grinding apertures with a minimal rotational movement for consistent results.

Features

  • Sturdy steel housing with rubberized, anti-slip feet
  • Sharpening capacity 3mm to 30mm diameter twist drills
  • Grinding wheel is durable CBN wheel
  • Operating speed 5,000 rpm
  • Standard tip angles are adjustable between 90 and 145 degrees
  • Universal collet system using ER 20 and ER 40

Included

  • CBN wheel included
  • ER 20 (6 pcs) and ER 40 (22 pcs) included to cover the complete range from 3mm up to 30mm

Optional

  • Diamond wheel optional

Collets supplied with machine:

  • ER20 - 3, 4, 5, 6, 7, 8mm
  • ER40 - 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26mm
  • ER49 (special type) 27, 28, 29, 30mm

Safety Features:

  • Fully guarded
  • Includes a no voltage lock switch for secure starts safety
  • CE Conformity

Published data

Specifications

Use these to shortlist. We’ll confirm the specification and configuration against the application.
Capacity 3mm - 30mm diameter twist drills
Spindle speed 5,000rpm
Motor 0.45kW 230V / 50Hz
Size 450mm x 240mm x 270mm
Weight 34kg

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Auckland · Christchurch · Nationwide support
Regarding Optimum GH15T