Self-Drilling Tapping Screws (Pan/Hex Flange)
Self-drilling tapping screws: pan head (GB/T 15856.1) and hex flange (GB/T 15856.4), with EPDM sealing washer for roof cladding and building envelope.
Key Parameters
Standard Basis
GB/T 15856.1 / GB/T 15856.4
This family is confirmed by spec and drawing, without forcing one standard family.
Spec Range
M3–M6 · 41 sizes / 160 SKUs
Carbon Steel, Stainless 304; Galvanized, —
Grades
—
Confirm grade together with mating nuts, washers and certificate requirements.
What to include
Quoted by full spec
Prices differ by size, material, grade and finish, please inquire with full specifications. For non-standard specs, a drawing or site photo is welcome.
Diameter
Length
Material
Finish
Self-drilling tapping screws: pan head (GB/T 15856.1) and hex flange (GB/T 15856.4), with EPDM sealing washer for roof cladding and building envelope.
Spec Range
M3–M6 · 41 sizes
SKU Matrix
160 SKUs| SKU | Size (Dia × Len) | Material / Finish | Threading | Pitch | Unit Wt (g) | Action | |
|---|---|---|---|---|---|---|---|
 | TS-001000 | 3.5×13 | Carbon Steel· —· Galvanized | Fully Threaded | — | 1 Estimated | |
 | TS-001001 | 3.5×16 | Carbon Steel· —· Galvanized | Fully Threaded | — | 2 Estimated | |
 | TS-001002 | 3.5×19 | Carbon Steel· —· Galvanized | Fully Threaded | — | 2 Estimated | |
 | TS-001003 | 3.5×22 | Carbon Steel· —· Galvanized | Fully Threaded | — | 2 Estimated | |
 | TS-001004 | 3.5×25 | Carbon Steel· —· Galvanized | Fully Threaded | — | 2 Estimated | |
 | TS-001005 | 4.2×13 | Carbon Steel· —· Galvanized | Fully Threaded | — | 2 Estimated | |
 | TS-001006 | 4.2×16 | Carbon Steel· —· Galvanized | Fully Threaded | — | 2 Estimated | |
 | TS-001007 | 4.2×19 | Carbon Steel· —· Galvanized | Fully Threaded | — | 2 Estimated | |
 | TS-001008 | 4.2×22 | Carbon Steel· —· Galvanized | Fully Threaded | — | 2 Estimated | |
 | TS-001009 | 4.2×25 | Carbon Steel· —· Galvanized | Fully Threaded | — | 2 Estimated | |
 | TS-001010 | 4.2×32 | Carbon Steel· —· Galvanized | Fully Threaded | — | 3 Estimated | |
 | TS-001011 | 4.2×38 | Carbon Steel· —· Galvanized | Fully Threaded | — | 3 Estimated | |
 | TS-000004 | 4.8×13 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 4 Estimated | |
 | TS-000006 | 4.8×16 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 4 Estimated | |
 | TS-000008 | 4.8×19 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 4 Estimated | |
 | TS-001018 | 4.8×22 | Carbon Steel· —· Galvanized2 material/finish options | Fully Threaded | — | 3 Estimated | |
 | TS-000010 | 4.8×25 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 5 Estimated | |
 | TS-000012 | 4.8×32 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 6 Estimated | |
 | TS-000014 | 4.8×38 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 6 Estimated | |
 | TS-000016 | 4.8×45 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 7 Estimated | |
 | TS-000018 | 4.8×50 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 7 Estimated | |
 | TS-001030 | 5.5×16 | Carbon Steel· —· Galvanized2 material/finish options | Fully Threaded | — | 4 Estimated | |
 | TS-000020 | 5.5×19 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 7 Estimated | |
 | TS-001034 | 5.5×22 | Carbon Steel· —· Galvanized2 material/finish options | Fully Threaded | — | 5 Estimated | |
 | TS-000022 | 5.5×25 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 8 Estimated | |
 | TS-000024 | 5.5×32 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 9 Estimated | |
 | TS-000026 | 5.5×38 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 9 Estimated | |
 | TS-000028 | 5.5×45 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 10 Estimated | |
 | TS-000030 | 5.5×50 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 11 Estimated | |
 | TS-000032 | 5.5×60 | Carbon Steel· —· Galvanized4 material/finish options | Fully Threaded | — | 13 Estimated | |
 | TS-000034 | 5.5×70 | Carbon Steel· —· Galvanized4 material/finish options | Fully Threaded | — | 14 Estimated | |
 | TS-000036 | 6.3×19 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 8 Estimated | |
 | TS-001048 | 6.3×22 | Carbon Steel· —· Galvanized2 material/finish options | Fully Threaded | — | 5 Estimated | |
 | TS-000038 | 6.3×25 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 9 Estimated | |
 | TS-000040 | 6.3×32 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 10 Estimated | |
 | TS-000042 | 6.3×38 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 11 Estimated | |
 | TS-000044 | 6.3×45 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 12 Estimated | |
 | TS-000046 | 6.3×50 | Carbon Steel· —· Galvanized6 material/finish options | Fully Threaded | — | 13 Estimated | |
 | TS-000048 | 6.3×60 | Carbon Steel· —· Galvanized4 material/finish options | Fully Threaded | — | 14 Estimated | |
 | TS-000050 | 6.3×70 | Carbon Steel· —· Galvanized4 material/finish options | Fully Threaded | — | 16 Estimated | |
 | TS-000052 | 6.3×80 | Carbon Steel· —· Galvanized4 material/finish options | Fully Threaded | — | 17 Estimated |