Menu

Connect with us

Aluminum special machine taps spiral groove wire tapping aluminum alloy dedicated M3M4M5M6M8M10M12

price:USD$34.76
discount 70% in 2018-09-18 to 2018-09-20
price: USD$ 24.33
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
views:0
Search Similar or mail to saler or send message to saler

Pay with PayPal, PayPal Credit or any major credit card

Our goods are not all mail, please photographed contact customer service, such as automatic payment, this shop has the right not to send goods

The best domestic aluminum tap!

Research and development in accordance with Japan aluminum special tap angle! The handle is made in Japan

M3 a small amount of black coating does not affect the use!

Must see: please contact me before filming, to confirm if there is no inventory! Avoid unnecessary trouble!

Our store can open invoice value added tax invoice according to customer's requirement!

Tel: 18013808989

Reference size

Effective length of shank square blade

M3 4 3.2 6 50 18.67

M4 5 4 8 56 22.30

M5 5.5 4.5 10 65 26.72

M6 6 4.5 12 68 32.89

M8 6.2 5 13 70 27.82

M10 7 5.5 15 75 34.46

Thread processing common problems
Tap break:
1, the bottom diameter is too small, causing blockage of cutting chip is not good;
2, tapping speed is too high, too fast;
3, with the tap tapping with the threaded hole diameter of the shaft;
4, the selection of the grinding parameters of taps is improper, and the hardness of the machined parts is unstable;
5, tap use time is too long, excessive wear.

Tapping tooth:
1, the front angle of the tap is too large;
2, tap each tooth cutting thickness is too big;
3, tap quenching hardness is too high;
4, tap use time is too long, wear serious.

The tap diameter is too large:
The selection of the middle diameter accuracy of taps is improper; the choice of cutting is not reasonable; the tapping speed of wire tapping is too high; the taps and workpieces are too high
With the threaded hole
The parameter selection of tap grinding is not suitable; the length of tap cutting cone is too short.

The tap diameter is too small:
Improper selection of the middle diameter accuracy of tap, unreasonable selection of tap edge parameters, tap wear, and unsuitable choice of cutting fluid.