
- Stock: In Stock
- Cat No: TCHR012
- Weight: 0.04kg
- Dimensions: 112.00mm x 188.00mm x 188.00mm
- SKU: TCHR012
- Barcode: 6009515800628
Available Options
Reamer diameter: 3 - 12mm
Reamer length: 80mm
Handle length: 85mm
This 12mm Hand Taper Reamer is a precision cutting tool essential for creating or enlarging tapered holes. Crafted from durable Bearing Steel, it offers excellent cutting performance on a variety of materials. The 12mm measurement refers to the diameter at the small end of the taper, which is designed to create a precisely angled conical shape, ideal for fitting tapered pins, plugs, or other components.
Operated manually, this reamer provides superior control and accuracy, making it suitable for intricate work. Its taper and flutes ensure efficient chip removal and a smooth, clean finish. This 12mm Hand Taper Reamer is a valuable tool for tool and die makers, machinists, and anyone requiring precise tapered holes in metalworking and fabrication projects
Application:
- To enlarge, clean and debur holes.
- Suitable for Soft/hard wood and plastics.
- Woodworking
- Crafts
- DIY
Using a hand taper reamer requires patience and precision. Here's a step-by-step guide:
- Preparation:
- Safety First: Always wear safety glasses to protect your eyes from flying chips.
- Workpiece Securing: Securely clamp the workpiece in a vise or other suitable holding device to prevent it from moving during the reaming process. This is crucial for accuracy and safety.
- Pilot Hole: You MUST start with a properly sized pilot hole. This hole should be slightly smaller than the small end of the taper reamer. Consult a reamer chart or the reamer's specifications to determine the correct pilot hole size. Drilling the pilot hole accurately is essential.
- Deburring: Remove any burrs or sharp edges from the pilot hole using a deburring tool or sandpaper. This will ensure smooth entry of the reamer and prevent damage to its cutting edges.
- Lubrication: Apply cutting oil or lubricant to the reamer's flutes. This reduces friction, heat buildup, and improves the cutting action, leading to a cleaner finish and longer reamer life.
- Reaming:
- Alignment: Carefully insert the tip of the taper reamer into the pilot hole. Ensure it is perfectly aligned with the hole's axis. This is critical for creating the correct taper.
- Initial Rotation: Apply gentle downward pressure and begin turning the reamer clockwise (for a right-hand cut reamer) using a tap wrench or a suitable handle. Maintain consistent, even pressure. Do not force the reamer.
- Controlled Cutting: Turn the reamer slowly and steadily, removing only a small amount of material with each rotation. Periodically back off the reamer slightly (turn counter-clockwise a few turns) to clear chips and prevent clogging.
- Checking Progress: Frequently check the progress of the taper by试 fitting the part that will eventually go into the tapered hole. You can also use a taper gauge or plug gauge if you have one. It's better to remove material gradually and check often than to remove too much at once.
- Finishing:
- Final Adjustments: Once the taper is close to the desired size, make very light finishing cuts, rotating the reamer only a small amount at a time. Continue checking the fit frequently.
- Removing the Reamer: Once the desired taper is achieved, carefully remove the reamer by turning it counter-clockwise while applying slight upward pressure.
- Cleaning: Clean the reamer thoroughly with a brush or cloth to remove any chips or debris. Apply a light coat of oil to protect it from rust.
Important Tips:
- Never force the reamer. If it becomes difficult to turn, stop and check for obstructions or misalignment.
- Avoid excessive pressure. Let the cutting edges do the work.
- Use the correct cutting speed. Generally, slower speeds are better for harder materials.
- Keep the reamer sharp. A dull reamer will require more force and produce a poor finish.
- Practice makes perfect. Reaming takes practice to develop a feel for the process. It's a good idea to practice on scrap material first.
Features:
- Hardened & tempered steel with precision ground cutting edges
- T-handle provides leverage for increased leverage
- 6 grounded cutting edges and flutes
Description | Specification |
Packaging Type | Hanging blister |
Package Dimensions | 180(L) x 105(W) x 24mm(H) |
Package Weight | 92g |
Tool Dimensions | 123(L) x 85(W) x 13mm(H) |
Tool Weight | 81g |
Material | GCr15 Steel (Bearing Steel) |
Reamer diameter | 3 - 12mm |
Reamer length | 80mm |
Handle length | 85mm |