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Carbon Steel Tap Bottoming Type 1/2-13 (1pc)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Pouch
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
Metallics 1213CTBE – Frequently Asked Questions
1) What thread size does the Metallics 1213CTBE tap cut?
The Metallics 1213CTBE cuts a 1/2-13 thread, meaning a 1/2 inch nominal diameter at 13 threads per inch. That is the standard UNC coarse pitch for 1/2 inch, so it matches common 1/2-13 rod, bolts, and strut hardware used on electrical hanging and support work.
2) What is a bottoming tap used for, and do I need a taper tap first?
A bottoming tap like the 1213CTBE has almost no lead chamfer, so it cuts threads nearly to the bottom of a blind hole. It is not meant to start a hole on its own. Standard practice is to start the hole with a taper tap, follow with a plug tap if needed, then finish with the bottoming tap to bring full 1/2-13 threads down to the base. In a through hole you usually never need one.
3) Is the Metallics 1213CTBE tap high speed steel or carbon steel?
Carbon steel. That suits hand tapping and chasing damaged threads in mild steel, aluminum, and brass. For production tapping or harder alloys under power, a high speed steel tap holds an edge longer.
4) Can I use the 1213CTBE to clean up damaged 1/2-13 threads on existing rod or a tapped hole?
Yes, chasing existing 1/2-13 threads is a common use for it, and the bottoming form lets you run right to the end of a blind hole where a taper tap would stop short. Go in with cutting oil and back the tap off periodically to clear chips, since carbon steel taps snap if you force them.
5) What drill size do I need before tapping 1/2-13?
A 27/64 inch drill is the standard tap drill for 1/2-13 UNC, giving roughly 75 percent thread engagement. Drill that first, then run the tap sequence and finish with the 1213CTBE bottoming tap in blind holes.
6) How many taps come in the Metallics 1213CTBE package?
One tap, supplied in a pouch. If you are outfitting multiple crews or want a taper and plug tap alongside it for a full blind hole sequence, order those separately.
7) Does the Metallics 1213CTBE tap come with a wrench or handle?
The tap ships by itself in a pouch, one piece. You will need a T-handle or adjustable tap wrench sized for a 1/2 inch tap shank to turn it.
How fast can I get the Metallics 1213CTBE delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics 1213CTBE come with a warranty?
Absolutely. The Metallics 1213CTBE is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Metallics 1213CTBE?
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