Screws
Ningbo Teng Qi Fasteners Co.,Ltd is a professional industrial screws manufacturer with an ISO9001 certified quality management system, specializing in the production of high-quality screws for global industrial applications. We manufacture a wide range of screws using various materials, including stainless steel 304, stainless steel 316, carbon steel, brass and aluminum. Our products can be produced according to international standards such as ISO, DIN and ASME/ANSI, as well as customized according to customers’ drawings, samples and specific requirements.
With advanced manufacturing equipment and experienced engineers, we are capable of producing standard and precision screws through processes including cold heading, thread rolling, CNC machining, turning, milling and drilling. Our strict quality control system includes thread inspection with go/no-go gauges, dimensional accuracy inspection, material strength testing and surface coating thickness verification. Our screws are widely exported to Europe, North America and other international markets, providing reliable fastening solutions for customers worldwide.
Types of screw
Mechanical Property:
| Carbon Steel,Alloy Steel Screw Property | Stainless Steel Screw Property |
|---|---|
| ISO 898-1 | ISO 3506-1 |
| ASTM F835 | ASTM F879 |
| ISO 898-5 | ISO 3506-3 |
| ASTM F912 | ASTM F880 |
| SAE J429 | ASTM F593 |
| SAE J82 | ASTM F837 |
| SAE J933 | ISO 3506-4 |
Manufacturing Equipment:



Standard of Screws we produce
ASME/ANSI American Standard:
ASME/ANSI B18.3 Hexagon Socket Head Cap Screws ANSI/ASME B18.3 Hexagon Socket Button Head Cap Screws ANSI/ASME B18.3F Hex Socket Countersunk Head Machine Screw ASME/ANSI B18.3 Countersunk Head Torx Screw ASME/ANSI B18.6.3 Cross Recessed Pan Head Machine Screws DIN32501 Studs for Stud Welding with Tip Ignition
GB Chinese Standard:
GB831 Slotted Shoulder Screws Stainless Steel GB834 Knurled Thumb Screws GB835 Knurled Screws GB836Knurled Screws with Small Head GB837 Slotted Pan Head Screws with Waisted Shank GB830 Slotted Cheese Head Screws with Shoulder Nickel Plated Furniture Shelf Peg with Matching Knurled Nut Nickel Plated Smooth Shank Single Shoulder Shelf Support Screw
DIN Germany Standard:
DIN7500EE Hexagon Cheese Head Thread Rolling Steel Screws DIN7505 Particle Board Countersunk Head Screws with Cross Recess DIN7964E Stainless Steel Socket Head Cap Captive Screws DIN7971 Slotted Pan Head Tapping Screws DIN7972 Slotted Countersunk Head Tapping Screws DIN7973 Slotted Raised Countersunk Head Tapping Screws ISO1207 Slotted Cheese Head Screws DIN7981 Cross Recessed Pan Head Tapping Screws DIN7984 Hexagon Socket Head Cap Screws with Low Head DIN7991 Hex Socket Countersunk Head Cap Screws DIN84 Steel Slotted Cheese Head Screws
DIN913 Hexagon Socket Set Screw DIN914 Hexagon Socket Set Screws With Cone Point DIN915 Dog Point Hexagon Socket Set Screws DIN916 Cup Point Hexagon Socket Set Screws DIN963 90° Slotted Countersunk Head Screws DIN965 Cross Recessed Countersunk Head Screws DIN968 Cross Recessed Pan Head Tapping Screws with Collar ISO14581 Hexalobular Socket Countersunk Flat Head Screws DIN251 Hexagon Socket Head with Serrated Flange Screws DIN316 Wing Screws DIN6912 Thin Head Socket Cap Screws with Pilot Recess DIN6928 Hexagon Washer Head Tapping Screws DIN7500PE Torx Pan Head Thread Rolling Screws DIN7976 Hexagon Head Tapping Screws DIN7982 Cross Recessed Countersunk Head Tapping Screws DIN7983 Cross Recessed Raised Countersunk Head Tapping Screws DIN7985 Cross Recessed Raised Cheese Head Screws DIN964 Slotted Raised Countersunk Head Screws DIN966 Cross Recessed Raised Countersunk Head Screws DIN967 Cross Recessed Pan Head Screws with Collar
ISO Inernational Standard:
ISO1207 Slotted Cheese Head Screws ISO10642 Socket Cap Countersunk Head Screws ISO14579 Hexalobular Socket Head Cap Screws ISO14580 Hexalobular Socket Cheese Head Screws ISO14583 Hexalobular Socket Pan Head Screws ISO14584 Torx Raised Countersunk Head Screws ISO14585 Torx Pan Head Self Tapping Screws ISO7380 Hexagon Socket Button Head Screws















