Product Technical Guides : US-EN Steel Deck Fastening Systems | Page 47

Steel Deck Fastening Systems

Racing Tip Screw Deck Fastening System 1.4 1.4.1 Product Description
The Hilti Racing Tip fastening system consists of the Hilti SDT 5 stand-up screw fastening system and the S-MD 12-24 x 1-5 / 8 M HWH5 Racing Tip fasteners , which are available in a collated version .
Torque Screwdriver . Loaded with up to 50 frame fasteners or sidelap connectors this system can perform frame attachment and sidelap connections . Contact Hilti for specific tool recommendations .
1.4.1
Product Description
1.4.2
Material Specifications
1.4.3
Technical Data
1.4.4
Ordering Information
The SDT 5 Decking system can be powered with either the ST 1800 Adjustable Torque Screwdriver or the ST 1800-A18 Cordless Adjustable
Hilti S-MD 12-24 x 1-5 / 8 M HWH5 Racing Tip steel deck fasteners comply with ANSI / SDI RD1.0 , C1.0 and NC1.0 standards .
1.4.2 Material Specifications
Fastener designation
Fastener material
Fastener plating
S-MD 12-24 x 1-5 / 8 M HWH5
Carbon Steel
5 µ m Zinc 1
1 ASTM B633 , SC 1 , Type III . Reference Section 2.3.3.1 of Hilti North American Product
Technical Guide Volume 1 : Direct Fastening for more information .
1.4.3 Technical Data
Allowable pullout loads for attachments to steel base material lb ( kN ) 1 , 3 , 4
Base material thickness in . ( Gauge ) Fastener
0.0598 ( 16 ) 0.0747 ( 14 ) 0.1046 ( 12 ) 1 / 8 2 1 / 4 2 S-MD 12-24 x 1-5 / 8 M HWH5 215 ( 0.96 ) 265 ( 1.18 ) 370 ( 1.65 ) 505 ( 2.25 ) 505 ( 2.25 )
1 Unless otherwise noted , allowable load values based upon calculations done in accordance with Section E4 of AISI S100 with F u
= 58 ksi . 2 Allowable load values based upon testing performed in ASTM A36 ( F u
≥ 58 ksi ) plate steel . 3 Allowable tension pullout load values must be compared with allowable tension pullover load values .
Use lesser value . 4 Allowable load values based on safety factor of 3.0 per AISI S100 .
S-MD 12-24 x 1-5 / 8 M HWH5
Approvals / Listings
FM ( Factory Mutual ) For attaching Class 1 Steel Roof Decks with 1-60 , 1-75 and 1-90 wind uplift ratings
UL ( Underwriters Laboratories ) Fasteners for attaching steel roof deck ( uplift and fire classification )
Allowable tension pullover and shear bearing loads for attaching steel deck 1 , 2 , 3 , 4
Fastener
S-MD 12-24 x 1-5 / 8 M HWH5
Tension lb ( kN )
Steel deck gauge ( in .)
16 ( 0.0598 )
18 ( 0.0474 )
20 ( 0.0358 )
22 ( 0.0295 )
24 ( 0.0239 )
Shear 5 lb ( kN )
Tension lb ( kN )
Shear 5 lb ( kN )
Tension lb ( kN )
Shear lb ( kN )
Tension lb ( kN )
Shear lb ( kN )
Tension lb ( kN )
Shear lb ( kN )
560
620
445
620
335
555
275
400
225
260
( 2.49 )
( 2.76 )
( 1.98 )
( 2.76 )
( 1.49 )
( 2.47 )
( 1.22 )
( 1.78 )
( 1.00 )
( 1.16 )
1 Allowable load values are based upon a safety factor of 3.0 per AISI S100 . 2 Allowable load values based upon ASTM A1008 , or minimum ASTM A653 SQ33 steel deck . 3 Allowable tension pullover load values based upon calculations done in accordance with Section E4 of AISI S100 with F u
= 45 ksi .
4 Allowable tension pullover load values must be compared with allowable tension pullout load values . Use lesser value . 5 Allowable load value limited by screw fastener shear strength .
Hilti , Inc . ( US ) 1-800-879-8000 | www . us . hilti . com I en español 1-800-879-5000 I Hilti ( Canada ) Corp . 1-800-363-4458 I www . hilti . ca I PTG Decking Supplement 2014 45