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Drop Smooth Rod with Shot-Fire Bracket


  • Quickly and easily attaches to concrete, steel or composite metal decking
  • Integrated pin installs easily using powder-actuated or single-shot gas-actuated tools
  • Works with most standard CADDY spring steel fasteners designed for rod attachments
  • Rod is rigid and does not require secondary attachment to ceiling grid per NEC 300.11
  • Stocked inventory - available when you need it
  • Includes pre-assembled end-cap
  • Specialized packaging simplifies material handling and minimizes sorting
  • Rods are ready to install out of the box


Material: Steel
Finish: Electrogalvanized
Part Number LengthL DiameterØ A Static LoadF
DR4SF12 12" 0.215" 3/4" 95 lb
DR4SF24 24" 0.215" 3/4" 95 lb
DR4SF36 36" 0.215" 3/4" 95 lb
DR4SF40 40" 0.215" 3/4" 95 lb
DR4SF48 48" 0.215" 3/4" 95 lb
Uses Powers Fasteners, Inc. part number 50378.
Static load was established based on a 1-1/8” (28.6 mm) embedment depth and 3,000 psi (20.68 Mpa) normal-weight concrete. For variations in embedment and material please consult www.powers.com. ​
Pre-assembled drive pin from Powers Fasteners, Inc. works with Powers® C4CZ, Simpson® GCN-MEPKT, SPIT® P1000, P200, P2201, P3500 / PA3500, P35s, P45, P60, P7201, Sniper; Ramset® 721, Cobra, D45 / D60 / D60L, M70, SA270, T3SS, TS750P, TS60P, Viper; Hilti® DX35, DX350 / DX351 / DX36M, DX100 / DX200, DX460, DXA40, DXA41,​ DXE72 / DX400; Würth Diva-1, BST-1, BST-2 or equivalent nailers.
For shot-fired supports in seismic design category D, E, or F, maximum load is the lesser of 90 lb (400 N) or the published load.
Exempt from seismic design when supporting conduits less than 2-1/2” (64 mm) trade size, regardless of Ip.

Pentair, CADDY, CADWELD, CRITEC, ERICO, ERIFLEX, ERITECH and LENTON are owned by Pentair or its global affiliates. All other trademarks are the property of their respective owners. Pentair reserves the right to change specifications without prior notice.

HILTI is a registered trademark of Hilti Aktiengesellschaft.
Ramset is a registered trademark of Illinois Tool Works, Inc.
Simpson is a registered trademark of Simpson Strong-Tie Company Inc.
SPIT is a registered trademark of Societe De Prospection & D’Inventions Techniques Spit.
UL, UR, cUL, cUR, cULus and cURus are registered certification marks of UL LLC.



CADDY Direct Fastening
1.41 MB English


cUL DWMU7.E165703
CAN/CSA C22.2 No. 18.4-04
UL DWMU.E165703
ANSI/UL 2239