TDF Drywall Screws Fine Thread
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TDF Drywall Screws Fine Thread
Description
ASTM C 1002 Type S self piercing screws for fixing gypsum panels to cold formed steel framing. Twinfast thread for superior screw driving performance.
Materials
Carbon and Alloy Steels ASTM C1018, C1022, Case Hardened
Stainless Steels A2 according to ISO 3506
Finishes Black Phosphate 48 hours SST, Zinc Plated , TORQ AR/S coating - 1000 hours SST
Dimensions
Size, D | 3.5 | 4.2 | 4.8 | |
Head Diameter, d | mm | 8.0 | 8.0 | 8.8 |
Head Thickness, h | mm | 0.64 | 0.64 | 0.64 |
Phillips Drive Size, m | mm | 2 | 2 | 2 |
Thread length, lb, L ≤ 50 mm | mm | Fully Threaded | ||
Thread length, lb, 50 < L < 75 mm | mm | 50 | 50 | 50 |
Thread length, lb, L ≥ 75 mm | mm | 60 | 60 | 60 |
