St4*0.7 Tailless Bolt Screw Sleeve Second Hair Enterprise Xiyangyang Machinery

• Material: Stainless Steel
• Type: Tool
• Usage: Tapping Use
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: St4*0.7
• Rotation Direction: Standard
• Surface Finishing: High-Speed Steel
• Certification: ISO, RoHS
• Customized: According to Customer Requirements
• Nominal Length: 1d-3D
• Name: Tailless Screw Sleeve
• Function: Increase Thread Strength
• Course: Wrapping
• Transport Package: Carton
• Specification: ST8*1.25
• Trademark: XYY
• Origin: China
• HS Code: 7318190000
• Production Capacity: 500pieces
• Package Size: 14.50cm * 8.50cm * 10.50cm
• Package Gross Weight: 0.045kg

Product Description

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M2-M16 tailless wrench

 

Performance introduction of tailless steel wire thread bushing

The tailless steel thread sleeve is designed with a tailless handle, which means that it can be installed in both directions without dividing direction. After installation, it can produce a more reliable and permanent thread sleeve of the same size as the original thread hole, abrasion resistant internal thread.

 

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Company Profile

 

Packaging & Shipping

 

Product Parameters

 

Thread specification	Bit diameter (mm)	Thread specification	Bit diameter (mm)
M2*0.4	2.1	M8*1	8.3
M2.5*0.45	2.6	M10*1	10.3
M3*0.5	3.1	M10*1.25	10.3
M4*0.7	4.2	M12*1.25	12.3
M5*0.8	5.2	M12*1.5	12.4
M6*1	6.3	M12*1	12.3
M7*1	7.3	M13*1.25	13.3
M8*1.25	8.3	M14*1.5	14.4
M10*1.5	10.4	M14*1.25	14.3

For the processing of ordinary internal threads on nuts or other machine parts (i.e., tapping). Machine taps usually refer to high-speed steel grinding taps, which are suitable for tapping on machine tools; Hand tap refers to carbon tool steel or alloy tool steel roll (or incisor) tap, suitable for hand tapping.
Tap is a tool for processing a variety of medium and small size internal threads, it is simple in structure, easy to use, can be manually operated, can also work on the machine tool, and is widely used in production.
For small internal threads, the tap is almost the only machining tool. The types of tap are: hand tap, machine tap, nut tap, extrusion tap and so on.
Tapping is a more difficult processing process, because the tap is almost buried in the workpiece for cutting, the processing load of each tooth is larger than other tools, and the tap along the thread and the workpiece contact surface is very large, cutting the thread it must accommodate and exclude chips, therefore, it can be said that the tap is working in very harsh conditions. In order to make the tapping proceed smoothly, various problems that may arise should be considered in advance. Such as the performance of the workpiece material, what tools and machine tools to choose, how high cutting speed to choose, feed, etc.