discount 70% in 2018-09-23 to 2018-09-25
price: USD$ 49.00
freight :USD$7.00,(Postal parcel)
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The following is a detailed description of baby:
The difference between the spiral wire tapping and the ordinary hand wire tapping is that the groove of the ordinary hand wire attack is linear, while the spiral wire attack is spiral. When the screw thread is used to attack the tooth, the iron filings can be easily discharged from the hole by the spiral rotation of the spiral groove, so as to avoid the residual iron or the blockage in the groove, and cause the edge breaking of the wire tapping and breaking, so that the life of the wire tapping can be increased and the thread with high precision can be cut out. Spiral wire tapping is suitable for cutting high toughness materials, but not suitable for fine chips such as cast iron.
HC-SP has a spiral groove of 35 degrees. It is suitable for tapping holes of sticky material and plastic material, such as medium carbon steel, high carbon steel and other materials.
N-SP has a spiral groove of 40 degrees, suitable for processing medium carbon steel.
Brand: YAMAWA spiral wire attack
Material: HSS-E (high speed steel containing cobalt)
Standard: metric / us
Eat in: 2.5 teeth
Surface treatment: None
Precision class: YAMAWAP class
Application materials: low carbon steel, high carbon steel, alloy steel, bronze, copper, aluminum, magnesium alloy and so on
The common bottom cutting wire tapping control are as follows:
|Tapping hole diameter of cutting wire|
|gauge grid||Standard diameter||2 Grade drill aperture||gauge grid||Standard diameter||2 Grade drill aperture|
|most large||most Small||most large||most Small|
About chromatic aberration:
All the goods in this shop are mostly in kind, so please feel free to buy them. Network sales can not avoid color difference, because in different colors, lights, display under the picture, will cause different color difference problem, so please can not accept any color difference buyers carefully consider, color difference problem, will not be used as the basis for return. All of our commodity brands are authentic, pro can rest assured to buy. If you have any other questions, consult first.
Different models of different brand accessories are also some not good dimensions in general please contact to avoid false delivery
On the issue of return
It is the quality of the goods, shall be promptly sent to us, we will give the true receipt check swap. Returned goods,. Do not accept payment in any form! Do not accept non negotiation, apply for refund! Most of the goods are covered with the company's official seal, with the store's personal signature returned goods must also have this standard
In the following cases, the freight is charged by our shop:
Wrong, leak, quality problems returned
The following conditions by the guests themselves from the freight:
After receiving the goods, found the size is not suitable. Contact customer service and agree to change the size or other style for you.
For non quality goods returned by buyer, buyer shall bear the freight before shipment;
It must be emphasized that..:
When you pick up the parcel, you must check in front of the courier, then sign, the number is not right, or quality problems can be denied. Once the receipt, the consequences are not responsible for Oh!