TAPPING SCREWS (FLAT/PAN/TRUSS HEAD)

TAPPING SCREWS (FLAT/PAN/TRUSS HEAD)
Tapping screws are designed to cut their own hole as it is screwed into the materials. This creates a good snug fit between the mating threads and also allows the parts to be reassembled if necessary.

The three basic types of tapping screws are Self-Tapping, Self-Drilling, and Self-Piercing.

Self-Tapping: Cuts its own thread while being driven into the mating material. It makes a small hole while entering the material which creates a tight friction fit between the threads. This helps fight vibration loosening and allows the parts to be taken apart if needed. Mostly used in 1-2-layer thin gage sheet metal applications.

INTERNATIONAL STANDARDS

  • ISO
  • DIN 7971, 7972, 7973, 7976, 7981, 7982, 7983
  • IFI
  • ANSI
  • ASTM
  • JIS
  • BS
  • AS

APPLICATIONS

Self-tapping screws are ideal for items that require regular maintenance and work well when working with two different kinds of material being fastened together.

These screws either come with a blunt, flat, sharp or piercing tip.

Sharp-tipped self-tapping screws drill their own holes in softer wood and plastic.

MATERIAL

Material Available:

  • LOW CARBON STEEL : C1006 - C1045
  • STAINLESS STEEL: SUS304, SUS316, SUS410
  • GRADE 8.8: C1018 - C1022, 10B21
  • MILD STEEL / MID CARBON STEEL: C1035 - C1045
  • BRASS C2600, C2700, C2680
  • Material according to customer’s specifications

SIZE RANGE

SIZE RANGE:
  • D = M2 ~ M5.5
  • L = 3mm ~ 30mm
  • d = 1/8" - 1/4"
  • l = 1/4" - 6"

SURFACE TREATMENT

SURFACE TREATMENT TYPES:

  • PLAIN ; NON-PLATED
  • HEAT TREATMENT
  • ZINC PLATED – WHITE ZINC / YELLOW ZINC / BLACK ZINC
  • Zinc trivalent coatings Cr3+ (Meet RoHS standards)
  • Zinc hexavalent zinc plating Cr6+
  • Nickel plating
  • Black Oxide
  • Black Phosphate
  • Hot Dip Galvanised
  • GEOMET® 500
  • DACROMET®
  • Passivation
  • All electro-plating, electro-coating and surface treatment specifications can meet customer's requirements.