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Straight fluted tap tap HSS high speed steel full grinding straight slot taps with Langya card machine.

Note: the price is a single price, the whole box 10, can sell. Suitable for processing materials: mobile phone bracket, aluminum, zinc alloy, magnesium alloy, stainless steel, copper, titanium alloy, watches and clocks, etc.

discount 70% in 2018-09-20 to 2018-09-22
price: USD$ 10.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Brand: Langya full grinding machine tapping for surface treatment: white

Screw length: 36mm blade length: 7.0mm diameter: 3.0mm material: French atieh manga cobalt (M35)

Suitable for processing materials: mobile phone bracket, aluminum, zinc alloy, magnesium alloy, titanium alloy, copperStainless steelClocks and watches and other materials.

Specification: M1.0*0.25M1.2*0.25M1.4*0.3M1.6*0.35M1.7*0.35M1.8*0.35M2*0.4M2.5*0.45M2.6*0.45M3*0.5

Dear, the above specifications are some of our products, if you need other specifications and non-standard custom-made, welcome to contact customer service! Processing different materials and different processing requirements, the choice of wire attack accuracy is not the same, if there is doubt, please contact customer service or call0755-27313123Consultation! 




Tap tapping is commonProblems and Solutions

 A Common problem


 Tap break:

The threaded hole machining of smaller diameter of chip is not good due to clogging; of barrier threads, drilling depth is not enough; thread cutting speed is too high too fast; the diameter of thread with the tap and screw tap different shaft; the grinding parameters of improper workpiece hardness instability tap; used for a long time, excessive wear.
 Tapping of tap:

The tap angle is too large; the cutting thickness of each tap is too large; the quenching hardness of tap is too high; the tap is worn too long and the wear is serious.

Tap wear too fast:

When cutting the thread, the cutting speed is too high; the selection of the grinding parameters of the tap is not appropriate; the choice of cutting fluid is improper; the cutting fluid is not sufficient; the material hardness of the workpiece is too high; when the tap is grinding, the phenomenon of burning occurs.
The thread diameter is too large:.

Tap in size precision improper selection is not reasonable; cutting; thread cutting speed is too high; the threaded hole coaxial with the difference of taps of the workpiece; improper grinding parameters tap; grinding burrs tap, tap cutting cone length too short.

The thread diameter is too small:

The selection of the accuracy of the middle diameter of the tap is improper; the selection of the grinding parameters of the tap is unreasonable; the tap is worn; the choice of the cutting fluid is not appropriate.
The surface roughness of screw thread is too large:
The selection of grinding parameters of tap is not suitable; the hardness of workpiece material is too low; the quality of tap grinding is not good; the choice of cutting fluid is not reasonable; the cutting speed is too high when tapping the thread; the tap is too long to wear; the wear is too large.

Tap break: 
The correct selection of the threaded hole diameter; grinding edge inclination or selection of spiral fluted taps; drilling bottom hole depth to meet the prescribed standards; appropriate to reduce the cutting speed, according to the selection criteria; correction of tap and bottom tapping, ensure the coaxiality requirements, and selection of floating tapping chuck; increasing the corner tap shorten the length of the cutting cone, the hardness of the workpiece; ensure to meet the requirements, the insurance holder; found the tap wear should be replaced.
Tapping of tap:

Properly reduce the rake angle of the tap, increase the length of the cutting cone properly, reduce the hardness and replace the tap in time.
Tap wear too fast:
To reduce the cutting speed properly, reduce the rake angle of the tap, lengthen the length of the cutting cone, select the lubricating cutting fluid, make proper heat treatment for the workpiece, and correctly tap the tap.
The thread diameter is too large:
Choose reasonable precision tap diameter; and reducing the cutting speed selection of cutting fluid for correction; taps and tapping thread when the coaxial degree of the floating chuck; reduce rake angle and cutting cone angle; burr grinding taps produced, and appropriately increase the length of the cutting cone..The thread diameter is too small:
The middle diameter of tap suitable for accuracy grade should be selected; the front angle and cutting cone angle of tap should be increased; the worn tap should be replaced; and the cutting fluid with good lubrication should be selected.

The surface roughness of screw thread is too large:: H7 v( m5 X% ^% Y) X B1 e' O- Y! m
Properly increase the rake angle of the tap, reduce the cutting cone angle, heat treatment, properly improve the hardness of the workpiece, ensure the lower surface roughness of the tap rake surface, select the lubricating cutting fluid, reduce the cutting speed properly, replace the worn tap.

Factors affecting tap life



Material quality:

The higher the hardness of the material, the lower the life of the tap; the better the lubrication performance of the material; the longer the life; the better the flow performance of the material, the longer the life of the tap

Tap wire speed:

Tap is the best speed for dental floss10rice/Minute~30rice/Minutes, over speed30rice/Minute, tap life decline.

Tap cooling and tap lubrication:

Tap the high-speed operation to generate heat, the product material is easily bonded to the tap groove, so that the screw hole enlargement. Good cooling and lubrication can reduce tap temperature and friction, prevent tap sticking, and prolong tap life.

Screw tooth accuracy and saturation rate:

In order to meet the quality requirements of the product, the shorter the accuracy of Kose cone life, the lower the saturation rate, the longer the tap life.


Shopping needs to know:
L on pictures: all the goods in this shop are in kind, because of shooting light, computer monitors and other objective reasons, resulting in the existence of objects and in a small range of color difference, this does not belong to the quality of the fan.
About L size: all goods are artificial parameters measurement, for the measurement process, different batches of the product, there is little scope for reference (predictive error, detailed parameters, and the company customer service consulting, in order for you to accurately measure) the company will regularly on the product details and packaging to optimize and upgrade, we also in further, the final received in kind prevail.
L about the goods: all products of the company, will carry out strict inspection before packing, to ensure that the product is finished, before entering the warehouse packing and delivery, they receive a pro commodities such as oil and grease Tut, is a normal phenomenon, because some of the goods due to rust, we will add some anti rust oil to prevent rust.
L on Inventory: as inventory may change at any time, you must contact with us when you need to buy goods, confirm the baby inventory situation, so as not to cause unnecessary trouble to you.
L good faith management, serious and responsible treatment of each buyer, if there are problems, please contact us, we will try our best to solve your problem.
Express logistics:
L order on the day18:00Before photographed and payment arrangements can be shipped the same day (may be delayed, such as national holidays) encountered special circumstances can not be shipped in accordance with the established time, store staff will contact you in advance, to negotiate with you.
L provincial express defaultTact ExpressDefault express in Guangdong ProvinceUnion express / Xinfeng ExpressSingle purchase4More than 00 yuanFree shipping。 If customers have special requirements, please contact customer service, we will try to meet your demand for mail.
L due to the weight of the product could not be precise estimates, the freight only as a basic reference to the seller, the actual freight modifications shall prevail, please fill with the freight difference.
return policy
L the company support seven days no reason to return, since the pro sign for delivery date within 7 days, if not for commercial use, without destroying the original package, does not affect the company's two sales, the store promised unconditional return (Note: A, such as the time of receipt only to date. The sign on the second day of zero hour for the starting time, over 168 hours for 7 days; B, the existence of the quality of the goods are not affected by this limit).
L if the return is not a quality problem, the cost will be borne by the buyer.
Family tips:
1) the goods sold by the company, the company must be responsible for the end.
2) after receiving the goods, please carefully check, confirm that no problem, then make evaluation. If you have any questions, please contact with the store first, and the company will never shirk responsibility.
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We are committed to the pursuit of more professional services, such as you have more product consultation, please contact our customer service or call0755-27313123Service hotline, we will be happy to serve you.