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Simpson Strong-Tie"Wood Construction Connectors <br /> HDU/DTT <br /> Holdowns <br /> � �rzEREO <br /> M N 6I This product is preferable to similar connectors because W— <br /> . �\ <br /> to of(a)easier installation,(b)higher loads,(c)lower <br /> _ ?>b installed cost,or a combination of these features. 0 m <br /> o.O 9....• 0 f_3 <br /> p HDU holdowns are pre-deflected during the manufacturing o <br /> = H process,virtually eliminating deflection under load due to Pilot holes for E <br /> 0 <br /> material stretch.They use Strong-Drive®SIDS Heavy-Duty manufacturing <br /> Connector screws which install easily,reduce fastener slip and purposes m � <br /> (fastener - <br /> provide a greater net section when compared to bolts. not required) m N <br /> 0 <br /> The DTT tension ties are designed for lighter-duty holdown <br /> applications on single 2x posts.The DTT1Z is installed with i 6'sifi <br /> nails or Strong-Drive SD Connector screws and the DTT2 <br /> installs easily with the Strong-Drive SIDS Heavy-Duty Connector ICE <br /> screws(included).The DTT1Z holdowns have been tested for / <br /> use in designed shearwalls and prescriptive braced wall panels <br /> as well as prescriptive wood-deck applications(see p.295 for <br /> deck applications). <br /> For more information on holdown options,contact <br /> Simpson Strong Tie. HDU DTT2Z <br /> US Patent <br /> HDU Features: 8,555,580 <br /> • Uses Strong-Drive SIDS Heavy-Duty Connector screws <br /> which install easily,reduce fastener slip and provide a <br /> greater net section area of the post compared to bolts <br /> • Strong-Drive SIDS Heavy-Duty Connector screws are Minimum o ' <br /> wood <br /> supplied with the holdowns to ensure proper fasteners ® member <br /> thickness <br /> are used ® (see General o <br /> ® Notes) o <br /> • No stud bolts to countersink at openings <br /> ®0 <br /> Material:See table 0 ® Preservative- >,�8 <br /> Finish:HDU —galvanized; DTT1 Z and DTT2Z—ZMAXO ® treated barrier <br /> coating; DTT2SS—stainless steel may be <br /> required � <br /> Installation: , <br /> • See Holdown and Tension Tie General Notes on pp.49-50. <br /> 41s/1s, 'z <br /> • The HDU requires no additional washer;the DTT requires a <br /> a standard cut washer(included)be installed between o <br /> the nut and the seat. U <br /> / w <br /> i F7 <br /> • Strong-Drive SIDS Heavy-Duty Connector screws install best o z <br /> with a low-speed high-torque drill with a W hex-head driver. <br /> • Fasteners and crescent washer are included with the Vertical HDU DTT1 Z o <br /> holdowns.For replacements,order part no.SDS25212-HDU_. Installation US Patent a <br /> (Fill in the size needed,e.g.,HDU2.) 10,865,558 co <br /> N <br /> Codes:See p. 11 for Code Reference Key Chart o <br /> �O N <br /> O <br /> U <br /> O 0 <br /> o v v v v <br /> --- ----- =k O <br /> o Hanger <br /> not shown <br /> Horizontal HDU Offset Installation <br /> (plan view) <br /> See Holdown and Tension Tie General Notes. <br /> 52 <br />