Bolted Connections & Terminals
Bolted connections and terminals for overhead, utility, industrial and electrical applications, including parallel groove clamps, split bolt clamps, bolted cable lugs and service tee connectors.
Browse the available range below or contact Engineering Supplies for product selection and technical support.
Showing all 11 resultsSorted by popularity
Bolted Connections & TerminalsParallel Groove Clamps – Bi-metal
Bi-metal parallel groove clamps for joining an aluminium run to a copper tap. The forged aluminium body has a copper insert, galvanised steel bolts, Belleville washers and an oxide inhibitor coating.
- Blue marking identifies the copper connection.
- Five part-number options with different conductor ranges.
- Check each side of the joint separately before ordering.
For 3919-FS and 3909-FS, contact us to confirm the aluminium conductor range before purchase. Call (08) 9258 8444 or email sales@engsup.com.au.
Bolted Connections & TerminalsSplit Bolt Clamp (Type B – Line Tap)
Dulmison Type B split bolt clamp is a hard-drawn brass line tap with a natural brass finish. Choose B22, B24, B25, B26 or B28 to suit the listed maximum conductor sizes from 16 to 185 mm².
Each model accommodates two conductors within its stated limits. Check the size table before ordering.
Bolted Connections & TerminalsParallel Groove Clamp – Copper
Copper parallel groove clamp for copper-to-copper conductor joints. The forged copper body has serrated grooves, copper bolts, Belleville washers and an oxide inhibitor coating.
- 3029-FS: 6–70 mm²; 20 Nm.
- 3030-FS: 16–95 mm²; 20 Nm.
- 3032-FS: 16–150 mm²; 30 Nm.
Select the required part number and check the conductor diameter before ordering. For help, call (08) 9258 8444 or email sales@engsup.com.au.
Bolted Connections & TerminalsParallel Groove Clamp – Aluminium
Aluminium parallel groove clamp for aluminium-to-aluminium conductor joints. Choose from five sizes with galvanised steel bolts, Belleville washers and an oxide inhibitor coating.
- 3929-FS: 16–70 mm².
- 3931-FS: 16–120 mm².
- 3932-FS: 25–150 mm².
- 3594-FS: 35–240 mm².
- PGA35303: 35–300 mm²; three-bolt model.
Check the diameter and torque table below before ordering. Photos show a representative two-bolt clamp. For help, call (08) 9258 8444 or email sales@engsup.com.au.
Bolted Connections & TerminalsBolted Cable Lugs
Type Q bolted cable lugs with a brass clamp body and nut. A single nut secures the conductor, and the lug can be disconnected and reused.
- Round mounting hole in the lug palm.
- Multiple conductor and mounting bolt sizes.
- Check cable cross-section and diameter before ordering.
H1806 and H1806A: please contact us to confirm the part number and conductor size before purchase. Call (08) 9258 8444 or email sales@engsup.com.au.
Bolted Connections & TerminalsService Tee Connectors (Type STC)
Dulmison STC110-3 service tee connector is used with a B24 line tap for copper-to-aluminium service connections. It has galvanised steel hardware, a 7/2.75 copper conductor and a total length of 385 mm.
Run conductor range: 7/2.50–19/3.75 · Ordering SKU: DULSTC110-3.
Bolted Connections & TerminalsParallel Clamp (Type KA)
KA parallel clamp for heavy-duty service connections, with a copper alloy body, stainless steel hardware and neoprene bolt-retaining rings.
Choose KA2, KA3, KA4 or KA5 from the table. Each model has separate run and tap conductor ranges; check both before ordering.
Bolted Connections & TerminalsParalel Clamp (Type AUP – for aluminium only)
Dulmison AUP112 parallel clamp is for aluminium conductors only. It has a cast aluminium alloy body and stainless steel hardware, with an 18.80–29.30 mm run range and an 11.30–21.00 mm tap range by overall conductor diameter.
Ordering SKU: DULAUP112. Check the separate stranding ranges below before selecting the clamp.
Bolted Connections & TerminalsAluminium Bail Clamp (Type ABC)
ABC5-2 aluminium bail clamp has an ABC5 series body, aluminium hardware and a copper loop for overhead line connections. It suits 6.75–18.80 mm overall conductor diameters and comes pre-filled with Alminox.
Part number: ABC5-2 · Product group SKU: ABC.
Bolted Connections & TerminalsParallel Groove Clamps (Type LTD, LTX with Interlocking Fingers)
LTD75-1 parallel groove clamp with interlocking fingers for aluminium and ACSR conductors. The die-cast aluminium body has stainless steel hardware.
- Run and tap diameter: 8.90–18.80 mm.
- Run and tap stranding: 19/1.78 to 19/3.75.
- Two-bolt Type LTD; 95 mm long.
The photo shows a three-bolt LTX model; this ordering option is LTD75-1. Confirm a plated version or bi-metal clamp for copper connections. The manufacturer does not recommend this range for polluted or coastal locations. Call (08) 9258 8444 or email sales@engsup.com.au for help.
Bolted Connections & TerminalsParallel Groove Clamps (Type LTDP withh Parallel Sides)
LTDP75-3 parallel groove clamp with parallel sides for aluminium and ACSR conductors. It has a die-cast aluminium body and galvanised steel hardware.
- Run and tap diameter: 7.50–19.00 mm.
- Run and tap stranding: 7/2.50 to 19/3.75.
- Overall length: 95 mm.
For copper connections, confirm the required plated version or bi-metal clamp before ordering. This range is not recommended for polluted or coastal locations. Call (08) 9258 8444 or email sales@engsup.com.au for help.