The Strong‑Drive^® SDS Heavy Duty Connector Screw is a 6.4mm diameter structural wood screw ideal for various connector installations as well as timber-to-timber applications. It installs with no predrilling and has been extensively tested in various applications.

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The SDS Strong‑Drive^® screws are also available in 316 Stainless Steel. The new stainless-steel SDS screws are appropriate for higher-exposure environments where maximum corrosion-resistance is required.

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The SDS screws are suitable for use with the following connectors:

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DTT2Z* and DTT2SS* — (Deck) Tension Ties & Holdown
HDU8-SDS2.5* — Holdown
CJT* — Concealed Joist Tie
TA — Staircase Angles

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*Screws are included with these connectors.

","groupCode","SDS",[168,185,202],"coating",[353,370],"solution",[235,243,245,202],"relatedProducts",[637,638,639,640,641],"dtt2","ta9","cjt","mpb","bit","alternativeProducts",[],"brochures",[],"inspirations",[],"technicalData",[],"materialFinish","

Carbon Steel with Double-Barrier Coating
316 Stainless Steel

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Designed for installation in certain Simpson Strong‑Tie® structural connectors as well as timber-to-timber applications
3/8\" Hex Head reduces cam-out for easier installation
Serrated Threads and Sharp Point make driving easier
Optimised heat treating for ductility and strength
Type-17 Point enable easy driving with no predrilling and minimal splitting
Double-Barrier Coating provides corrosion resistance equivalent to hot-dip galvanisation
Stainless Steel SDS provides maximum corrosion protection

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\r\n\t\t\t\t Model No. \r\n\t\t\t	\r\n\t\t\t\t Size \r\n\t\t\t	\r\n\t\t\t\t Thread \r\n\t\t\t	\r\n\t\t\t\t Point \r\n\t\t\t	\r\n\t\t\t\t Material & Finish \r\n\t\t\t	\r\n\t\t\t\t Box Qty \r\n\t\t\t	\r\n\t\t\t\t Drive Size \r\n\t\t\t
\r\n\t\t\t\t These coated fasteners possess a level of corrosion resistance that makes them suitable for use in some exterior and corrosive environments and with some preservative-treated timber. \r\n\t\t\t\t\tFor applications in higher-exposure applications, consider Type-300 series stainless-steel fasteners for superior corrosion resistance. Bit(s) included with every box of screws. \r\n\t\t\t\t\tPre-drilling and countersink may be necessary at ends, butt joints, and on applications where denser material is used. Follow board manufacturers recommendations where applicable. \r\n\t\t\t
\r\n\t\t\t\t SDS25112-R25 \r\n\t\t\t	\r\n\t\t\t\t 6.4mm x 38mm \r\n\t\t\t	\r\n\t\t\t\t Serrated Threads \r\n\t\t\t	\r\n\t\t\t\t Type-17 \r\n\t\t\t	\r\n\t\t\t\t Carbon Steel \r\n\t\t\t\t\tDouble-Barrier Coating \r\n\t\t\t	\r\n\t\t\t\t 25 \r\n\t\t\t	\r\n\t\t\t\t 3/8” Hex Head \r\n\t\t\t
\r\n\t\t\t\t SDS25212-R25 \r\n\t\t\t	\r\n\t\t\t\t 6.4mm x 64mm \r\n\t\t\t
\r\n\t\t\t\t SDS25300-R25 \r\n\t\t\t	\r\n\t\t\t\t 6.4mm x 76mm \r\n\t\t\t
\r\n\t\t\t\t SDS25112SS-R25 \r\n\t\t\t	\r\n\t\t\t\t 6.4mm x 38mm \r\n\t\t\t	\r\n\t\t\t\t 316 Stainless Steel \r\n\t\t\t
\r\n\t\t\t\t SDS25212SS-R25 \r\n\t\t\t	\r\n\t\t\t\t 6.4mm x 64mm \r\n\t\t\t
\r\n\t\t\t\t SDS25300SS-R25 \r\n\t\t\t	\r\n\t\t\t\t 6.4mm x 76mm \r\n\t\t\t

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SDS Strong‑Drive Heavy Duty Connector Screw