1/2 10 Thread Per Inch HSS -E Single Start RH ACME Tap
Ddsigned for lead screws 
Constructed of uncoated , high-speed steel

Maximum Tap Depths :
Steel:1.5'' Nickel:1.5'' Bronze:1.5''
Cast Iron:2'' Aluminum:2'' Copper:2''
Stainless Steel:1.5'' Brass:2'' Plastic:2''

Specifications:
Chamfer Type-Taper Thred Size - 1/2''-10
Flute Style -Straight Thread Length -2.4''
Nunber of Flutes-4 Overall Length -4.4''
For Tap Wrenches Drill Bit Size -13/32'' 0r 0.4063''

For Through-Hole Threading Thread Direction-Right Hand 

My Note:
You will receive what you see in the pictures, please compare the pictures and the specifications carefully before ordering！
--Highly appreciated your order and hoping you have a best buying experience in our store.
---Please check pictures for more details.