Sems Tapping Screws Manufacturer in China

Zhenkun offer Sems Tapping Screws in different sizes & standards.Sems Tapping Screws are also available in different materials and grades.Sems Tapping Screws used for construction materials for projects such as docks, bridges, highway systems, mechanical equipment,and homes, among other things.

SEMS Tapping Screws

SEMS® Self-Tapping Screws are self-tapping screws with a pre-assembled captive washer designed to speed total assembly time in a manufacturing process.

SEMS® Self-Tapping Screws come pre-assembled with a free rotating lock washer that is firmly kept in place by the screw's thread's main diameter. This removes the need to manually attach washers to the screw, saving you time, money, and the risk of washers being lost or dropped in the production line. SEMS screws combine two different parts into a single, low-cost fastener that is pre-assembled. They combine two separate parts into a single, low-cost pre-assembled fastener. SEMS® Self-Tapping Screws do not require pre-drilled holes
Common applications of SEMS Tapping Screws are:

• • Electronics
• • Automotive
• • Construction

SEMS Tapping Screws Diameters

SEMS Tapping Screws are available from Zhenkun factory with Imperial/US diameters that range from #2 to 3/8 and with Metric diameters that range from M4.2 to M5. The length of SEMS Tapping Screws is usually measured from the point to the underside of the head.

US/Imperial diameters

• •#2     •#4     •#5     •#6     

• •#8     •#10     •#12     •#14     

• •1/8     •1/4     •5/16     •3/8     

Metric diameters

• •M4.2     

• •M5     

SEMS Tapping Screws Lengths

SEMS Tapping Screws are available from Zhenkun factory with lengths that range from 3/16 to 2 1/2.

US/Imperial lengths

• •3/16     •1/4     •5/16     •3/8     •7/16     •1/2     •9/16     

• •5/8     •3/4     •7/8     •1     •1 1/16     •1 1/8     •1 3/16     

• •1 1/4     •1 1/2     •1 5/8     •1 3/4     •2     •2 1/2     

Metric lengths

• •20     

SEMS Tapping Screws Materials

SEMS Tapping Screws are available from Zhenkun factory in materials that range from Steel to Nylon

• •Steel     •Grade 5     •300 Stainless (A1,A2, 18-8,304,310 etc.)     •400 Stainless (405, 410,416,420,430 etc.)     

• •Copper     •Brass     •Nylon     

SEMS Tapping Screws Finishes

SEMS Tapping Screws are available from Zhenkun factory in finishes or coatings that range from Plain to Phosphate

• •Plain     •Zinc/Clear     •Zinc/Yellow     •Zinc/Black     •Anti-corrosion (Stalgard, Climaseal, XLCoat)     •Black Oxide     •Brass Plated     

• •Cadmium     •Cadmium/Yellow     •Chrome     •Nickel     •Passivated     •Phosphate