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OSG long steel wire sleeve / sheath tap ST4-40*1008-32X100 long handle spiral wire tapping in Japan

discount 70% in 2018-09-22 to 2018-09-24
price: USD$ 59.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Classification and editing of sheath tap
The thread sheath tap can be divided into light alloy machine, hand tap, ordinary steel machine, hand tap and special tap according to its application range, three kinds.
1, light alloy machine and hand taps: for aluminum, magnesium alloy and copper alloy and other non-ferrous metal alloy, pitch in 2.5mm following a single tap, the pitch is greater than or equal to 2.5mm for double.
Marking method: STd * pST is the special thread code for steel wire screw sleeve.
Mark example: used in light alloy processing and installation specifications for special tap 6 * 1 thread sheath bottom thread, marked as ST6 * 1
2, ordinary steel machine, hand tap: for processing steel, cast iron, cast steel and other metal materials on the internal thread, is a double branch tap.
3, special tap: according to user needs, design and manufacture all kinds of special varieties of screw tap, such as tapping in the soft aluminum, copper on the machine and hand taps, extrusion tap, tap, stainless steel tapping blind holes for the bottom tap, spiral tap, screw tip tap with a single common steel tapping special machine. Selection of screw tap
The straight slot thread sheath tap strong applicability, through holes or blind holes, non-ferrous metal and ferrous metal can be used, low cost.
The screw tap is sheathed for processing blind hole thread processing chip discharged backwards. In the processing of ferrous metal, the spiral angle is smaller and smaller, about 30 degrees generally, which can ensure the strength of spiral teeth. In the processing of non-ferrous metals, the spiral angle selection of a little larger, generally about 45 degrees, so that cutting can be sharp.
The extrusion tap is suitable for processing non-ferrous metal casting, especially Aluminum Alloy, it is the main thread of metal extrusion, deformation, formation. Extrusion is a cutting process, the extrusion forming process of processing screw thread hole, high tensile strength, shear strength, surface roughness is better, but require a higher extrusion tap hole, too big, strength is not enough; too small easy to cause fracture of tap.
The screw tip taps more suitable for processing screw through hole, when cutting out forward. The solid core is larger in size, stronger in strength and larger in cutting force, so it is good for processing non-ferrous metal, stainless steel and ferrous metal.

Dongguan Zhongyi hardware cutting tool store isOne for businessTOSGScrew tap,YAMAWAWire tapping,OSGWire tapping, adhering to the "integrity management, quality assurance, excellence" business philosophy, commitment to provide customers a good reputation, reasonable price, punctual delivery. Warmly welcome the old and new customers to consult and negotiate business.

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