Achieving perfect hole size and smooth finishing is critical in machining. Adjustable Hand Reamers are designed to deliver precision, flexibility, and superior surface finish across a wide range of applications.
What are Adjustable Hand Reamers?
Adjustable Hand Reamers are precision cutting tools used to slightly enlarge and finish pre-drilled holes. Unlike fixed reamers, they can be adjusted within a specific range, making them highly versatile for different sizes.
Key Features
- Adjustable blade design for multiple size ranges
- High precision hole finishing
- Durable construction for long tool life
- Suitable for metalworking and workshop use
- Ideal for maintenance and repair tasks
Applications
- Finishing drilled holes with high accuracy
- Maintenance and repair operations
- Tool rooms and machine shops
- General engineering and fabrication work
Available Sizes
The Adjustable Hand Reamers by Praztech are available in a wide range of sizes:
- H-V: 1/4″ – 9/32″ (6.35 – 7.14 mm)
- H-W: 9/32″ – 5/16″ (7.14 – 7.94 mm)
- H-Z: 5/16″ – 11/32″ (7.94 – 8.73 mm)
- H-Y: 11/32″ – 3/8″ (8.73 – 9.52 mm)
- H-1: 3/8″ – 13/32″ (9.52 – 10.3 mm)
- H-2: 13/32″ – 7/16″ (10.3 – 11.11 mm)
- H-3: 7/16″ – 15/32″ (11.11 – 11.9 mm)
- H-4: 15/32″ – 17/32″ (11.9 – 13.5 mm)
- H-5: 17/32″ – 19/32″ (13.5 – 15 mm)
- H-6: 19/32″ – 21/32″ (15 – 16.6 mm)
- H-7: 21/32″ – 23/32″ (16.6 – 18.25 mm)
- H-8: 23/32″ – 25/32″ (18.25 – 19.8 mm)
- H-9: 25/32″ – 27/32″ (19.8 – 21.4 mm)
- H-10: 27/32″ – 15/16″ (21.4 – 23.8 mm)
- H-11: 15/16″ – 1 1/16″ (23.8 – 26.98 mm)
- H-12: 1 1/16″ – 1 3/16″ (26.98 – 30.16 mm)
- H-13: 1 3/16″ – 1 11/32″ (30.16 – 34.1 mm)
- H-14: 1 11/32″ – 1 1/2″ (34.1 – 38.1 mm)
- H-15: 1 1/2″ – 1 13/16″ (38.1 – 46 mm)
- H-16: 1 13/16″ – 2 7/32″ (46 – 56.35 mm)
- H-17: 2 7/32″ – 2 3/4″ (56.35 – 69.85 mm)
- H-18: 2 3/4″ – 3 11/32″ (69.85 – 84.93 mm)
Why Choose Adjustable Hand Reamers?
- One tool covers multiple sizes
- Cost-effective compared to fixed reamers
- High accuracy and smooth finish
- Ideal for precision engineering work

Adjustable Hand Reamers are a must-have for anyone looking for precision and flexibility in hole finishing. With a wide range of sizes and reliable performance, they are perfect for workshops, maintenance, and industrial use.
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