Direct Fastening Technical Guide , Edition 22
3.2.12 Stud Fasteners for Attachment to Steel ........................................... 69 Carbon steel ( 1 / 4 ", 3 / 8 " and 8mm ) and stainless steel ( 1 / 4 ", 3 / 8 " and 8mm ) powder-actuated threaded studs for attachment to steel
3.2.13 X-ST GR Stainless Stud Fasteners ............................................... 72 Stud fastener for attachments to steel in corrosive environments
3.2.14 X-BT Fastening Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Innovative X-BT-MR ( 1 / 4 ", 3 / 8 "), X-BT-GR ( 8mm ), and X-BT-MF blunt-tip threaded stud fastener for attachment to coated or painted and full thick steel
3.2.14.6 X-BT-MF Fastening Systems ........................................... 80 Composite Polymer / Stainless Steel version of X-BT blunt-tip fastener ( 3 / 8 ” dia .)
3.2.14.7 X-BT-ER Electrical Connection System ................................... 83 Blunt tip threaded stud for electrical connections under permanent current , short-circuit current , and lightning current conditions .
3.2.15 S-BT Fastening system ........................................................ 87 Screw-in threaded stud for attachment to coated and painted steel , available in stainless steel or carbon steel .
3.2.15.6 S-BT-ER and S-BT-EF Electrical Connection Systems . . . . . . . . . . . . . . . . . . . . . . . . 94 Screw-in threaded stud for electrical connections under permanent current , short-circuit current , and lightning current conditions
3.2.16 Standoff Adaptors ............................................................ 99 Adaptors to extend the X-BT and S-BT threaded studs for use with Passive Fire Protection Coatings , and other applications where a standoff is required
3.2.17 Mechanical / Electrical Clips and Hangers .......................................... 105 Threaded and smooth rod hangers ( X-HS and X-RH ), cable holders , clamps and tie fasteners ( X-ECH , X-EKB MX , and X-ECT ) and conduit clips ( X-BX , X-EMTC and X-EMTSC MX ) for use in mechanical and electrical applications
3.2.18 X-MW X-MW Mechanical / Electrical Clips and Hangers .............................. 115
3.2.19 X-IE Insulation or Soft Material Attachment Fasteners ................................ 121 X-IE and X-SW fasteners for attachment of insulation and other soft materials to concrete , masonry or steel
3.2.20 X-IE G Insulation Fastening System .............................................. 125 X-IE-G fasteners installed with Hilti Gas-actuated tools , for attachment of insulation materials to concrete
3.2.21 X-IE-GS and X-IE-GSP Insulation Fastening System ................................. 129 X-IE-GS and X-IE-GSP fasteners installed with Hilti GX-IE Gas-actuated tool , for attachment of insulation materials to steel studs
3.3 Ceiling Fastening Systems .......................................................... 133 3.3.1 Ceiling Fastening Systems Selection and Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
3.3.2 X-CX Ceiling Clip .............................................................. 136 X-CX Ceiling Wire fastening systems for attachment of lay-in panel or acoustical suspended ceiling systems
3.3.3 Eye Lag Ceiling Fastening Hanger ................................................ 139 Eye Lag Screws for attachment of suspended ceiling systems to cold-formed steel or wood base materials
7