There are two kinds of specifications: black and white
On the difference and choice of black and white
First, the black section is the surface by nitriding and hard treatment, more suitable for processing bearing steel, die steel, stainless steel and other hard materialsTwo, white paragraph compared to black money, toughness is better, so we recommend to use white money to process 45# steel, A3 steel and other low carbon steel, not easy to break
Name: machine tooth spiral tap (all grinding)
Material: high quality high speed tool steel W6MO5CR4V2 (6542)
Manufacturer: Hongtai Tools Co. Ltd.
This product by the international tool quality supervision and inspection center, Chengdu, the tool detection tool Standardization Technical Committee unanimously reached the detection grade, and a number of honors, especially the full grinding spiral tap in the leading position, with good price, has a good reputation in the world.
The characteristics of spiral groove taps are especially suitable for the processing of blind holes. After cutting, the chips are discharged back and have good chip removal performance.
The marked price is the single tap price, and the M3-M8 tap is 10 boxes,M10-M20 is 5 boxes. Unlimited sale