Offices in Montana, Utah, Florida, California, Texas, Minnesota and North Dakota

Bonding Lugs, Plates, Pipe Clamps and Straps

Bonding plates and bonding lugs are made from copper or aluminum and are designed to bond to structural metal, rooftop equipment and other metallic bodies to the lightning protection system.

All material on this page is UL Listed


To place an order please call 800-370-5886 or fill out this Quote Form.

404 Cast Bonding Plate

brass bonding plate   Aluminum cast bonding plate

Cast aluminum or brass bonding plate with bolt tension cap that can be turned for horizontal or vertical conductor runs. Provides three square inches surface contact. For use with all full size conductors. Also available in bi-metallic.

AluminumCopperTinned CopperBi-Metallic
A404C404C404TA404BM


406 Stamped Bonding Plate

Stamped Aluminum bonding plate

Stamped aluminum or copper bonding plate with eight square inches of surface contact. Plate may be formed to fit curved surfaces. Bolt tension cap for securing conductor. For use with all full size conductors.

AluminumCopperTinned Copper
A406C406C406T


410 Cast Bonding Plate

Copper Cast Bonding Plate

Cast aluminum or brass bonding plate with eight square inches of surface contact. Bolt tension cap may be turned for horizontal or vertical conductor runs. For use with all full size conductors.

AluminumCopperTinned CopperBi-Metallic
A410C410C410TA410BM


412 Cast Bonding Lug

brass Cast Bonding Lug

Cast aluminum or brass bonding lug with three square inches of contact. For use will all main size conductors. Anchor hole available in 1/4”, 3/8”, 1/2” or 5/8”. Specify when ordering.

AluminumCopperTinned CopperBi-Metallic
A412C412C412TA412BM


414 & 415 C-Clamp Bond

Copper C-Clamp Bond

Cast aluminum or brass bonding clamp with eight square inches of surface contact. Secures easily to I-beams or other flat surfaces up to 3” thick. Bolt tension cap for securing conductor.

Beam ThicknessAluminumCopperTinned Copper
Up to 1"A414C414C414T
1"-3"A415C415C415T


416 & 418 Pipe Clamp Bond

Aluminum Pipe Clamp Bond

Cast aluminum or brass pipe bonding clamp with 1-1/2” contact. For use with all main size conductor.

Pipe ODAluminumCopperTinned Copper
.750"-1.135"A416C416C416T
1.315"-1.90"A417C417C417T
1.75"-2.50"A418C418C418T


421HD U-Bolt Bonding Clamp

U Bolt Bonding Clamp

Cast aluminum or brass U-Bolt bonding clamp or ground rod clamp. Can be used on pipe, rebar or ground rods .400" to 1.315" OD. Will accept up to three different conductors from #6 to 4/0 AWG.

AluminumCopperTinned Copper
A421HDC421HDC421THD


422 - 428 U Bolt Bonding Clamp

U Bolt Bonding Clamp

Cast aluminum or brass U-Bolt bonding clamp. For use with all main sized conductors.

Pipe ODAluminumCopperTinned CopperBi-Metallic
1.315"-2.00"A422C422C422TA422BM
1.90"-3.00"A423C423C423TA423BM
2.75"-4.50"A424C424C424TA424BM
4.50"-6.75"A426C426C426TA426BM
6.00"-8.625"A428C428C428TA428BM


430 Secondary Bonding Clamp

Secondary Bonding Clamp 2

Cast aluminum or brass secondary bolt tension bonding clamp for use with all secondary bonding conductors.

AluminumCopperTinned Copper
A430C430C430T


432 Secondary Bonding Lug

Secondary Bonding Lug

Cast aluminum or brass bonding lug with two tension bolts for use with all secondary conductors.

AluminumCopperTinned CopperBi-Metallic
A432C432C432TS432BM


433 Bonding Clamp

Bonding Clamp

Cast aluminum or brass bonding clamp with three square inches of surface contact. Secures to I-beams or other flat surfaces. Bolt tension cap for use with all full size and secondary conductors.

AluminumCopperTinned CopperBi-Metallic
A433C433C433TA433BM


434 Secondary Bonding Clamp

secondary bonding clamp

Cast aluminum or brass secondary bonding clamp. Secures to I-beams or other flat surfaces with one tension bolt. For use with all full size and secondary conductors.

AluminumCopperTinned CopperBi-Metallic
A434C434C434TA434BM


442-450 Bond Strap

Bond Strap

1-1/4” wide aluminum or tinned copper bonding strap for pipes. Fits all main sized conductors and secondary conductors. Holes are approximately 1” apart for attachment. Any size can be fabricated. Contact our sales office for more information.

Pipe ODAluminumTinned CopperBi-Metallic
2"A442C442A442BM
4"A444C444A444BM
6"A446C446A446BM
8"A448C448A448BM
10"A450C450A450BM
12"A450x12C450X12A450x12BM


452-460 Water Pipe Bond Strap

water pipe bond strap

2” wide aluminum or tinned copper bonding strap for pipes. Fits all main sized conductors and secondary conductors. Holes are approximately 1” apart for attachment. Any size can be fabricated. Contact our sales office for more information.

Pipe ODAluminumTinned CopperBi-Metallic
2"A452C452A452BM
4"A454C454A454BM
6"A456C456A456BM
8"A458C458A458BM
10"A460C460A460BM
12"A460x12C460X12A460x12BM


485 Weld Plate Bond

Weld Plate Bond

0.25” x 4” x4” mild steel weld plate with cast aluminum or brass bonding plate. Weld plate also available with no bond plate for use with air terminal bases or any other bond.

AluminumCopperTinned Copper
A485C485C485T


All material on this page is UL Listed UL listed


Continue to Thru Walls and Roofs