Laser Tools Tap & Die Set - 40pc - Metric M3 - M12
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Product Information
Full details
This 40-piece Laser Tools Tap & Die Set is designed for mechanics and DIY enthusiasts who need to cut new threads or repair damaged ones on metric fasteners. Its key benefit is offering a comprehensive range of common metric sizes (M3-M12) plus one NPT size, along with essential accessories for precise thread cutting. A potential caveat is the learning curve for users new to thread cutting with manual tools.
All features
| Model Part Number | 2159 |
|---|---|
| Brand | Laser |
Extended Product Information
FAQs
What is the primary use of a tap and die set?
A tap and die set is used to create or repair screw threads. Taps cut internal threads (in nuts or pre-drilled holes), and dies cut external threads (on bolts or rods).
What does 'M3 x 0.5' mean?
This denotes a metric thread. 'M3' refers to the nominal diameter of 3 millimeters, and '0.5' refers to the pitch, which is the distance between the threads in millimeters (0.5mm).
Why are there two thread pitches for some sizes (e.g., M6 x 0.75 and M6 x 1.0)?
Different metric fasteners can use the same nominal diameter but have different thread pitches. Having both common pitches for a given diameter provides greater versatility for repairing or creating threads on various components.
Is cutting fluid necessary?
Yes, cutting fluid or oil is highly recommended. It lubricates the cutting edges, reduces friction and heat, prevents galling, and helps clear away metal chips, leading to cleaner threads and longer tool life.
Can this set be used for non-metric threads?
The set primarily includes metric sizes. However, it does include one 1/8 NPT27 die, which is a common American pipe thread size, adding some non-metric capability.
How do I clean the taps and dies?
Use the included brass wire brush or a stiff nylon brush to remove metal chips and debris. Wipe them clean with a rag, and apply a light coat of oil before storage to prevent rust.
What is the purpose of the thread pitch gauge?
The thread pitch gauge is used to accurately determine the pitch of an existing thread, helping you select the correct tap or die for repairs or matching components.
Troubleshooting
Tap or die is not cutting threads effectively
Ensure you are using the correct size and pitch. Verify that you are using adequate cutting fluid/oil. Check that the tool is sharp and not damaged. Ensure you are applying consistent pressure and backing off periodically to clear chips.
Tap breaks off in the workpiece
This often happens when the tap is forced, not aligned correctly, or not backed off frequently enough. Ensure the hole is drilled to the correct tap drill size. Use plenty of cutting fluid and make gradual turns, backing off frequently. If a tap breaks, specialized extraction tools may be required.
Threads are rough or uneven
Increase the amount of cutting fluid used. Ensure the tap or die is cutting straight and not at an angle. Try making shallower passes by backing off more frequently. Check the sharpness of the cutting edges.
Die is difficult to start on a bolt
Ensure the bolt threads are clean and free of burrs. Chamfer the end of the bolt slightly to help the die start. Use cutting fluid and gentle pressure to start the die.
Pros and Cons
Pros
- Provides a wide range of metric thread sizes for versatile use.
- Includes essential accessories like wrenches, a pitch gauge, and a center punch.
- Dual thread pitches on common sizes offer greater application flexibility.
- Includes a brass wire brush for effective thread cleaning.
- 1/8 NPT die adds utility beyond purely metric threads.
Cons
- Requires manual skill and practice for accurate thread cutting.
- The T-handle tap wrench may offer less torque than a standard tap wrench for larger sizes.
- The included die wrench size (25mm) might not fit all die sizes if separate dies are used.
- No specific mention of oil or cutting fluid, which is crucial for optimal performance and tool life.
Setup, Compatibility & Care
Setup: The set is ready to use out of the box. Ensure you select the correct tap or die for the material and thread size you are working with. Always use appropriate cutting fluid or oil when tapping or threading to lubricate the cutting action, prevent galling, and extend tool life.
Compatibility: This set is primarily designed for metric threads (M3 to M12) and includes one common NPT thread size (1/8 NPT27). It is compatible with standard taps and dies of the sizes included.
Care: After each use, clean the taps and dies thoroughly to remove metal chips and cutting fluid residue. A brass wire brush is included for this purpose. Store the set in its original case to prevent damage and corrosion. Keep the tools dry and in a clean environment.