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Parallel Hand Reamers – Lalson Cutting Tools
Precision Cutting Solutions by LALSON
A Reamer having virtually parallel cutting edges, with taper & bevel lead integral with parallel shank of the nominal diameter of cutting edges, and with a driving square on the end of the shank. LH Helical flutes for RH cutting shall be supplied unless otherwise specified.
Specifications confirm to : IS 5444-1978 ISO 236/1-1976 DIN 206-1979 BS 328: Part 4:1983.
Our Involute Gear Hob Range
Product Details
Applications
LALSON Parallel Hand Reamers are widely used in:
- Finishing and sizing drilled holes
- Tool room applications
- Automotive component manufacturing
- General engineering industries
- Die and mold industries
- Maintenance and repair workshops
- Precision fitting operations
- Manual reaming applications
Built for Professional Performance
At Lalson, our Parallel Hand Reamers are engineered to deliver superior precision, smooth finishing performance, and long-lasting durability in demanding industrial applications. Manufactured using premium raw materials and advanced grinding technology, these reamers ensure accurate hole sizing and excellent surface finish with consistent performance.
The precision flute design enables efficient chip removal while minimizing vibration and tool wear, resulting in smooth and reliable reaming operations. Whether used in tool rooms, workshops, or production environments, Lalson Parallel Hand Reamers are trusted for their quality, accuracy, and professional-grade performance.
Product Specification
| Diameter mm | Inch | Cutting Edge Length | Overall Length |
|---|---|---|---|
| 6.0 | — | 47 | 93 |
| — | 1/4 | 50 | 100 |
| 7.0 | 9/32 | 54 | 107 |
| 8.0 | 5/16 | 58 | 115 |
| 9.0 | 11/32 | 62 | 124 |
| 10.0 | 3/8 | 66 | 133 |
| 11.0 | 7/16 | 71 | 142 |
| 12.0 | 15/32 | 76 | 152 |
| 13.0 | 1/2 | 76 | 152 |
| 14.0 | — | 81 | 163 |
| 15.0 | 9/16 | 81 | 163 |
| 16.0 | 5/8 | 87 | 175 |
| 17.0 | — | 87 | 175 |
| 18.0 | 11/16 | 93 | 188 |
| 19.0 | — | 93 | 188 |
| 20.0 | 3/4 | 100 | 201 |
| 21.0 | 13/16 | 100 | 201 |
| 22.0 | 7/8 | 107 | 215 |
| 23.0 | — | 107 | 215 |
| 24.0 | 15/16 | 115 | 231 |
| 25.0 | 1 | 115 | 231 |
| 26.0 | — | 115 | 231 |
| 27.0 | 1.1/16 | 124 | 247 |
| 28.0 | 1.1/8 | 124 | 247 |
| 30.0 | — | 124 | 247 |
| 32.0 | 1.3/16, 1.1/4 | 133 | 265 |
| 34.0 | — | 142 | 284 |
| 35.0 | 1.3/8 | 142 | 284 |
| 36.0 | 1.7/16 | 142 | 284 |
| 38.0 | 1.1/2 | 142 | 284 |
| 40.0 | — | 152 | 305 |
| 42.0 | 1.5/8 | 152 | 305 |
| 44.0 | 1.3/4 | 163 | 326 |
| 45.0 | — | 163 | 326 |
| 46.0 | — | 163 | 326 |
| 48.0 | 1.7/8 | 174 | 347 |
| 50.0 | 2 | 174 | 347 |
| 52.0 | 2.1/16 | 174 | 347 |
| 55.0 | 2.1/8 | 184 | 367 |
| 56.0 | 2.3/16 | 184 | 367 |
| 58.0 | 2.1/4 | 184 | 367 |
| 60.0 | 2.5/16 | 184 | 367 |
| 62.0 | 2.3/8, 2.7/16 | 194 | 387 |
| 63.0 | 2.1/2 | 194 | 387 |
| 67.0 | — | 194 | 387 |
| 71.0 | — | 203 | 406 |
Why Choose LALSON Parallel Hand Reamers?
Manufactured from premium-grade High Speed Steel (HSS)
Precision-ground cutting edges for accurate hole finishing
Excellent dimensional accuracy and smooth surface finish
Strong wear resistance for extended tool life
Smooth cutting action with reduced vibration and chatter
Ideal for precision manual reaming applications
Suitable for ferrous and non-ferrous materials
Available in customized sizes and specifications
Product FAQ’s
1. What are Parallel Hand Reamers used for?
Parallel Hand Reamers are used for accurately sizing and finishing pre-drilled holes to achieve high dimensional accuracy and smooth surface finish.
2. Which materials can be machined using Lalson Parallel Hand Reamers?
These reamers are suitable for machining steel, stainless steel, cast iron, aluminum, brass, copper, and other ferrous and non-ferrous materials.
3. Are customized sizes and specifications available?
Yes, Lalson manufactures Parallel Hand Reamers in customized sizes and specifications as per customer drawings and industrial requirements.
4. What are the advantages of using HSS Parallel Hand Reamers?
HSS Parallel Hand Reamers offer excellent wear resistance, accurate hole finishing, smooth cutting action, and longer tool life for precision reaming applications.
5. Why choose Lalson Parallel Hand Reamers?
Lalson Parallel Hand Reamers are manufactured using premium-grade HSS material and precision grinding technology to ensure superior accuracy, durability, smooth performance, and reliable results in professional machining operations.
Application
Our Involute Gear Hobs are widely used in:
Automotive Industry
Gear Manufacturing
Machine Tools
Heavy Engineering
General Engineering
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