Select your location

Strut systems and accessories
B-Line series channel nuts, u-bolts, all threaded rod (ATR) and hardware
Specifications

B-Line series channel nuts, u-bolts all threaded rod (ATR) and hardware simplify installation and maximize productivity.  For more information, visit resources and view or download the Strut system catalog.

 

Bolts, screws and nuts

  • Meet physical and chemical requirements of ASTM A307, SAE J429 or ASTM A563
  • Feature unified inch screw threads (coarse, UNC)
  • ISO metric threads are available by special request
  • Materials and finishes, except where noted:
    • Plain (ASTM A108/A307 Gr. A, ASTM A563, SAE J429)
    • Electro-plated zinc (ASTM B633 SC1 Type III)
    • Chromium zinc (ASTM F1136 Gr. 3)
    • Hot-dipped galvanized (ASTM A153)
    • Stainless steel Type 316 (MPIF 35/ASTM F593)
    • Aluminum (ASTM F468 S4)

Channel nuts

  • Press-formed, machined and hardened from steel
  • Meets requirements of ASTM A108 or ASTM A36 for larger sizes

 

B-Line series twirl-nut

TN221, TN227, TN222, TN224, TN223, TN228, TN226, TN225, TN525, TN255


B-Line series twirl-nut, metric threads

 BMT-6, BMT-8, BMT-10, BMT-12, BMT-D-12

B-Line series twirl nut

Channel nuts

CHANNEL NUTS WITHOUT SPRINGS N221WO, N222WO, N224WO, N223WO, N228WO, N226WO, N225WO, N525WO, N255WO, N555WO, N275WO, N575WO, N278WO
CHANNEL NUTS - METRIC THREADS BMS-6, BMS-8, BMS-10, BMS-12, BMS-D-12

SPRING NUTS

SPRING NUTS N721, N221, N521, N727, N227, N527, N722, N222, N522, N724, N224, N524, N723, N223, N523, N728, N228, N528, N726, N226, N526, N725, N225, N525, N755, N255, N555, N775, N275, N575, N778, N278
SPRING NUTS - METRIC THREADS BMS-6L, BMS-6M, BMS-6S, BMS-8L, BMS-8M, BMS-10L, BMS-10M, BMS-10S, BMS-12M, BMS-12S, BMS-D-12L, BMS-D-12M

Twirl stud nuts

Available in ¾", 1", 1 ¼" and 1 ½" sizes

  • STN224
  • STN228
  • STN225
  • STN525

Stud nuts

STUD NUT WITHOUT SPRING

Available in ¾", 1", 1 ¼" and 1 ½" sizes

SN224 WO, SN228 WO, SN225 WO, SN525 WO

STUD NUT WITH SPRING

Available in ¾", 1", 1 ¼" and 1 ½" sizes

SN724, SN224, SN524, SN728, SN228, SN528, SN725, SN225, SN525

Combo nut washer

  • NW524
  • NW528
  • NW525
  • NWM6
  • NWM8
  • NWM10
  • NWM12
combo nut washer

Double conveyor nuts

  SPECIFICATIONS
SAFETY FACTOR
3
MATERIAL ASTM 1011SS Gr. 33
FINISH Electro-plated zinc (ASTM B633 SC1)
PART NUMBER DCN 3/8

B501 series u-bolt

  • Designed for use with rigid conduit or iron pipe
  • Design load: 600 lbs. (2.67kN)-2400 lbs. (10.70 kN)
  • Available in multiple sizes
u-bolt image

B500 series square u-bolts

  • Include hex nuts
  • Standard finish: electro-plated zinc, stainless steel Type 304
square u-bolt image

Screws

  STANDARD FINISH
HHCS, hex head cap screws
Electro-plated zinc, stainless steel
SFHMS, slotted flat head machine screws
Electro-plated zinc
SRHMS, slotted round head machine screws
Electro-plated zinc
SHHMS, slotted combination recess hex head machine screws
Electro-plated zinc, stainless steel
CNPSS, square head cone point set screw
Electro-plated zinc

Swivel hangers

  • Standard finish: electro-plated zinc
  • Part numbers:
    • B446A-3/8 – female only, 3/8" – 16 HN
    • B446A-1/2 – female only, 1/2" – 13 HN
    • B446B-3/8 – male only, 3/8" – 16 HN
    • B446B-1/2 – male only, 1/2" – 13 HN
    • B446C-3/8 – female – female, 3/8" – 16 HN
    • B446C-1/2 – female – female, 1/2" – 13 HN
    • B446-3/8 – female – male, 3/8" – 16 HN
    • B446-1/2 – female – male, 1/2" – 13 HN
swivel hanger photo

Shoulder bolt

STANDARD FINISH Electro-plated zinc
PART NUMBER B617

Swivel attachment

STANDARD FINISH Electro-plated zinc  
SIZED FOR 3/8" - 16 threaded rods  
UL LISTED Supports up to 4" pipe per NFPA 13  
PART NUMBER Fig. 75  

Buzznut solution

  • Can be installed at any position along ATR
  • Eliminates need to thread hex nuts onto ATR
  • Loading safety factor of 3
  • Torque: 6 ft./lbs (8 Nm)
  • Available in zinc plated or 316 stainless steel
  • Part numbers: SLWN1/4, SLWN3/8, SLWN1/2, SLWN5/8, SLWNM6, SLWNM8, SLWNM10, SLWNM12
buzznut solution

Multiple nuts and washers available in various sizes

HN SERIES Hex nuts
MSQN Machine square nuts
SQN Square nuts
SLN Slip on lock nut
FW Flat washers
FFW Flat fender washers
LW Lock washers

Rod stiffeners, couplings and hangers

SC228 hanger rod stiffener

  • For 3/8" through 5/8" ATR
  • Standard finish: zinc

Fig. 98 rod stiffener

  • For 3/8" through 7/8" ATR
  • Use with 12 gauge strut only
  • Secures channel to hanger rod for vertical seismic bracing
  • Standard finish: zinc

Fig. 98B rod stiffener with break-off bolt head

  • For 3/8" through 7/8" ATR
  • Use with 12 gauge strut only
  • Secures channel to hanger rod for vertical seismic bracing
  • Snap-off bolt head feature to help ensure proper torque
  • Standard finish: zinc

SC-UB hanger rod stiffener

  • For 3/4" thru 7/8" ATR
  • Includes:
    • 1 of the B3188-1-1/2WO u-bolt
    • 2 of the 3/8” 16 hex nuts
    • 1 of the 2-hole plates
  • Standard finish: zinc

B655 series, rod coupling

  • Load rating for each coupler meets all threaded rod value, see ATR load values
  • Standard finish: zinc-plated, stainless steel type 304

B656 series, reducer rod coupling

  • Load rating for each coupler meets all threaded rod value, see ATR load values
  • Standard finish: zinc-plated, stainless steel type 304

BHR series, hot rod for trapeze hangers

  • 12" length of threaded rod assembled with rod coupling, locking hex nuts, square washer, and channel nut
  • Part numbers:
    • BHR1225ZN
    • BHR1238ZN
    • BHR1250ZN
    • BHR1262ZN
  • KwikWire hanging system
How to buy from Eaton