Self-Tapping Self-Piercing Screws, Needle Point Screws Manufacturer in China

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

Self Piercing Screws

Self-Piercing Screws, also called Needle-Point Screws, have a very sharp point which can pierce sheet metal, and so do not need a pre-drilled hole. Short and with a hex washer head, they are very commonly used in the HVAC industry as Zip Screws.

Self Piercing Screws Diameters

Self Piercing Screws are available from Zhenkun factory with Imperial/US diameters that range from #1 to 1 and with Metric diameters that range from M6 to M6. The length of Self Piercing Screws is usually measured from the point to the underside of the head.

US/Imperial diameters

• •#1     •#2     •#3     •#4     •#5     •#6     

• •#7     •#8     •#10     •#12     •#14     •1/8     

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

Metric diameters

• •M6     

Self Piercing Screws Lengths

Self Piercing Screws are available from Zhenkun factory with lengths that range from 1/8 to 4.

US/Imperial lengths

• •1/8     •5/32     •3/16     •7/32     •3/8     •1/2     •9/16     •5/8     

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

• •1 7/8     •2     •2 1/4     •2 1/2     •3     •4     

Metric lengths

• •80     

Self Piercing Screws Materials

Self Piercing Screws are available from Zhenkun factory in materials that range from Steel to Rubber, Buna-N etc.

• •Steel     •Class 10.9     •300 Stainless (A1,A2, 18-8,304,310 etc.)     •400 Stainless (405, 410,416,420,430 etc.)     

• •Brass     •Silicon Bronze     •Plastic     •Rubber, Buna-N etc.     

Self Piercing Screws Finishes

Self Piercing Screws are available from Zhenkun factory in finishes or coatings that range from Plain to Tin

• •Plain     •Zinc/Clear     •Zinc/Yellow     •Zinc/Black     •Galvanized     •Aluminum zinc flake (Dacromet, Magnigard, Doerken)     •Anti-corrosion (Stalgard, Climaseal, XLCoat)     •Black Oxide     

• •Brass Plated     •Ceramic Silicon Resin (Ruspro)     •Fluoropolymer (Xylan, Fluorokote, Teflon)     •Nickel     •Painted     •Phosphate     •Tin