Machine screw
Our company is a professional manufacturing factory of precision hardware, producing all kinds of standard fasteners, stamping parts and all kinds of non-standard products, with the technical ability to develop new products. The introduction of a full set of advanced equipment and molds, digestion and absorption of domestic technology, since its establishment more than ten years of continuous innovation, to provide customers with various series of high quality fasteners and stamping products.
Key words:
Fasteners | non-standard parts | stamping parts
Classification:
Product Description
Characteristics of mechanic thread performance
1. Mechanic teeth thread shows continuous ups-and-downs shape, and the teeth bottom has no plane, and usually is used with nut.
2. The thread teeth angle is 60°,excluding Webster 55°，and BA teeth angle is 47.5°
3. Coarse teeth is for quick fastening or unfastening, or for those rusted /slight damaged occasions in transportation.
4. Fine teeth functions well in pull-resisting , usually for those high and strong bolts.
5. Webster specification is the first general-purpose one in the world. But it is still widely used in the market now.
The head type and standard applied for mechanic bolts |
| Standards which is intemationally used: | GB international,ANSI by USA,JIS by Japan,DIN by Germany,iSO intemational etc. |
| Often used head type: | BINDING fillister head、BUTTON Button head、BRAZ The old R Botou、FLAT Flat、OVAL Half round head、PAN Pan head、ROUND Round、TRUSS Mushroom head、HEX Six corners first class |
| Often used driver type: | PHILLIPS cross slots, POZIDRIV meters, SLOTTED- slot, slot TRIANGLE, SQUARE square triangular groove groove, groove, angle HEX six SIX-LOBE, TRI-WING oblique groove groove plum ya |
| Scope of thread size: | outside diameter:1 mm to 12 mm length:3mm to 160mm |
| Material selection: | SWRCH10-SWRCH45 ALLOY OR LOW CARBON ALLOY ( BORON, MANG |
| Standard referred: | GB/T 3098.1-17 |
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Nantong Huaqing Electronics Co., Ltd.
Service Hotline:
+86-13506281211(Ms. Zhu)
Production base:
No. 4166 Dagang Road, Sanhe Town, Haimen, Jiangsu
HUATAO GROUP
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