Antenna Mast Mounting Clamps
ZCG Scalar manufacture a complete range of antenna mounting clamps to suit booms and masts of various diameters. All clamps we offer have undergone extensive field tests to ensure the highest quality, strength, long term durability and ease of installation.
Many of the clamps, U-bolts and Vee-blocks listed here can also be useful for various purposes, other than mounting antennas.
Clamp categories on this page are :
Right-Angle 90° Clamps : Light to Medium Duty
| A48 right-angle clamp |
| Recommended for |
Aluminium 25 mm Square Boom Yagi models in Y400, Y600TV and Y800 series |
| Construction |
Aluminium plate with galvanised steel vee blocks, stainless steel U-bolts, nuts and washers |
| Suit Boom Diameter |
25 mm square |
| Suit Mast Diameter |
Between 30 mm and 50 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Light to Medium Duty |
| Clamp Weight |
600 grams |
| S48 right-angle clamp |
| Recommended for |
Stainless Steel 25 mm Square Boom Yagi models in Y400, Y600TV and Y800 series |
| Construction |
All stainless steel components |
| Suit Boom Diameter |
25 mm square |
| Suit Mast Diameter |
Between 30 mm and 50 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Light to Medium Duty |
| Clamp Weight |
740 grams |
| S48-76 right-angle clamp |
| Recommended for |
Large diameter mast clamp for any Square Boom Yagi in the Y400, Y600TV and Y800 series |
| Construction |
All stainless steel components |
| Suit Boom Diameter |
25 mm square |
| Suit Mast Diameter |
Between 50 mm and 76 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Medium to Heavy Duty |
| Clamp Weight |
2.0 kg |
| S48-90 right-angle clamp |
| Recommended for |
Large diameter mast clamp for any Square Boom Yagi in the Y400, Y600TV and Y800 series |
| Construction |
All stainless steel components |
| Suit Boom Diameter |
25 mm square |
| Suit Mast Diameter |
Between 70 mm and 90 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Medium to Heavy Duty |
| Clamp Weight |
2.2 kg |
| S48-AM right-angle diagonal clamp |
| Recommended for |
Y400 and Y800 series
Cross Polarised Square Boom Yagi antennas |
| Construction |
All stainless steel components |
| Suit Boom Diameter |
25 mm square boom |
| Suit Mast Diameter |
Between 30 mm and 50 mm round |
| Mounting Orientation |
Right-Angle 90 degree to mast with Cross Polarised Yagi mounted diagonal |
| Service |
Light to Medium Duty |
| Clamp Weight |
740 grams |
| UB1SS right-angle clamp |
| Recommended for |
Stainless Steel or Aluminium Antenna |
| Construction |
All stainless steel components, U-bolts 8.8 cm deep |
| Suit Boom Diameter |
32 mm round |
| Suit Mast Diameter |
Up to 50 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Light to Medium Duty |
| Clamp Weight |
360 grams |
| UB2SS right-angle clamp |
| Recommended for |
Stainless Steel or Aluminium Antenna |
| Construction |
All stainless steel components, U-bolts 12 cm deep |
| Suit Boom Diameter |
Between 30 mm and 50 mm round |
| Suit Mast Diameter |
Between 20 mm and 50 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Light to Medium Duty |
| Clamp Weight |
430 grams |
| RB8 right-angle clamp |
| Recommended for |
Aluminium Antenna |
| Construction |
Galavanised steel components |
| Suit Boom Diameter |
Between 20 mm and 40 mm round |
| Suit Mast Diameter |
Between 20 mm and 50 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Light to Medium Duty |
| Clamp Weight |
540 grams |
Right-Angle 90° Clamps : Heavy Duty
| Y2300 right-angle clamp |
| Recommended for |
Large Aluminium Yagi and Sidemount Dipole Antennas |
| Construction |
Galvanised steel components |
| Suit Boom Diameter |
Between 32 mm and 50 mm round |
| Suit Mast Diameter |
Between 30 mm and 50 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Heavy Duty |
| Clamp Weight |
1.8 kg |
| Y2300SS right-angle clamp |
| Recommended for |
Large Stainless Steel Yagi and Sidemount Dipole Antennas |
| Construction |
All stainless steel components |
| Suit Boom Diameter |
Between 32 mm and 50 mm round |
| Suit Mast Diameter |
Between 30 mm and 50 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Heavy Duty |
| Clamp Weight |
1.7 kg |
| Y2300L right-angle clamp |
| Recommended for |
Large diameter mast clamp for Yagi and Sidemount Dipole Antennas |
| Construction |
Galvanised steel components |
| Suit Boom Diameter |
Between 32 mm and 50 mm round |
| Suit Mast Diameter |
Between 40 mm and 70 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Heavy Duty |
| Clamp Weight |
2.6 kg |
| Y2300SS-XL right-angle clamp |
| Recommended for |
Large diameter mast clamp for Yagi and Sidemount Dipole Antennas |
| Construction |
All stainless steel components |
| Suit Boom Diameter |
Between 32 mm and 52 mm round |
| Suit Mast Diameter |
Between 70 mm and 90 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Heavy Duty |
| Clamp Weight |
2.0 kg |
| UAM90L right-angle clamp |
| Recommended for |
Large Yagi and Sidemount Dipole Antennas |
| Construction |
Galvanised steel components |
| Suit Boom Diameter |
Between 40 mm and 75 mm round |
| Suit Mast Diameter |
Between 40 mm and 75 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Heavy Duty |
| Clamp Weight |
1.7 kg |
| UAM90UNI right-angle clamp |
| Recommended for |
Large diameter mast clamp for Yagi and Sidemount Dipole Antennas |
| Construction |
Galvanised steel components |
| Suit Boom Diameter |
Between 40 mm and 70 mm round |
| Suit Mast Diameter |
Between 40 mm and 90 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Heavy Duty |
| Clamp Weight |
1.9 kg |
| UAM90LL right-angle clamp |
| Recommended for |
Large diameter mast clamp for Yagi and Sidemount Dipole Antennas |
| Construction |
Galvanised steel components |
| Suit Boom Diameter |
Between 60 mm and 115 mm round |
| Suit Mast Diameter |
Between 60 mm and 115 mm round |
| Mounting Orientation |
Right-Angle 90 degree |
| Service |
Heavy Duty |
| Clamp Weight |
2.2 kg |
Parallel 180° Mast Mounting Clamps
| EB1SS parallel clamp |
| Recommended for |
Stainless steel or aluminium antenna, use in pairs |
| Construction |
All stainless steel components, U-bolts 13.5 cm deep |
| Suit Boom Diameter |
Between 20 mm and 50 mm round |
| Suit Mast Diameter |
Between 20 mm and 50 mm round |
| Mounting Orientation |
Parallel 180 degree |
| Service |
Light to Medium Duty |
| Clamp Weight |
180 grams |
| UB3SS parallel clamp |
| Recommended for |
Stainless steel or aluminium antenna, single clamp sufficient to mount light design antenna |
| Construction |
All stainless steel components, U-bolts 13.5 cm deep |
| Suit Boom Diameter |
Between 20 mm and 32 mm round |
| Suit Mast Diameter |
Between 20 mm and 50 mm round |
| Mounting Orientation |
Parallel 180 degree |
| Service |
Light to Medium Duty |
| Clamp Weight |
450 grams |
| UAM180L parallel clamp |
| Recommended for |
Large diameter mast clamp for stainless steel or aluminium antenna, use in pairs |
| Construction |
Galvanised steel components with welded join |
| Suit Boom Diameter |
Between 40 mm and 75 mm round |
| Suit Mast Diameter |
Between 40 mm and 75 mm round |
| Mounting Orientation |
Parallel 180 degree |
| Service |
Heavy Duty |
| Clamp Weight |
1.8 kg |
| UAM180UNI parallel clamp |
| Recommended for |
Large diameter mast clamp for stainless steel or aluminium antenna, use in pairs |
| Construction |
Galvanised steel components joined by threaded rod |
| Suit Boom Diameter |
Between 40 mm and 75 mm round |
| Suit Mast Diameter |
Between 40 mm and 90 mm round |
| Mounting Orientation |
Parallel 180 degree |
| Service |
Heavy Duty |
| Clamp Weight |
1.9 kg |
| UAM180UNIL parallel clamp |
| Recommended for |
Large diameter mast clamp for stainless steel or aluminium antenna, use in pairs |
| Construction |
Galvanised steel components joined by threaded rod |
| Suit Boom Diameter |
Between 40 mm and 90 mm round |
| Suit Mast Diameter |
Between 60 mm and 115 mm round |
| Mounting Orientation |
Parallel 180 degree |
| Service |
Heavy Duty |
| Clamp Weight |
2.1 kg |
| UAM180UNIL-42 parallel clamp |
| Recommended for |
Large diameter mast clamp for stainless steel or aluminium antenna, use in pairs |
| Construction |
Galvanised steel components joined by 150 mm adjustable galvanised or stainless steel spacer bars |
| Suit Boom Diameter |
Between 40 mm and 60 mm round |
| Suit Mast Diameter |
Between 60 mm and 115 mm round |
| Mounting Orientation |
Parallel 180 degree |
| Service |
Heavy Duty |
| Clamp Weight |
2.3 kg |
Power Divider Mast Mounting Clamps
ZCG Scalar manufacture high quality stainless steel clamps originally designed for mounting Power Dividers parallel to a round mast between 30 mm and 55 mm in diameter. These clamps can also be useful for other purposes.
| PDC-L power divider clamp |
| Recommended for |
Large power divider, use in pairs |
| Construction |
All stainless steel components |
| Suit Power Divider Diameter |
Up to 40 mm round |
| Suit Mast Diameter |
Between 30 mm and 55 mm round |
| Mounting Orientation |
Parallel 180 degree |
| Clamp Weight |
760 grams |
| PDC-S power divider clamp |
| Recommended for |
Small power divider, use 1 or 2 clamps depending upon length |
| Construction |
All stainless steel components |
| Suit Power Divider Diameter |
Up to 25 mm round |
| Suit Mast Diameter |
Between 30 mm and 55 mm round |
| Mounting Orientation |
Parallel 180 degree |
| Clamp Weight |
700 grams |
Clamps for Various Purposes
The individual clamps supplied with Yagi Support Strut Kits are available to order separately and can also be useful for various other purposes.
| UV1SS clamp kit |
| 1 x Stainless Steel U-Bolt, M8 thread, 52 mm gap, 89 mm deep |
| 1 x Stainless Steel V-Block, 90 x 33 x 2 mm thick |
| 2 x Stainless Steel Flat Washers, M8 |
| 2 x Stainless Steel Spring Washers, M8 |
| 2 x Stainless Steel Hex Nuts, M8 |
| Kit Weight : 170 grams |
| YB25 clamp kit |
| 1 x Stainless Steel U-Clamp with 6 mm drilled hole, 40 mm x 25 mm gap x 2 mm thick |
| 1 x Stainless Steel 50 mm Hex Bolt, M8 thread |
| 1 x Stainless Steel Flat Washer, M8 |
| 1 x Stainless Steel Nyloc Hex Nut, M8 |
| Kit Weight : 90 grams |
| SB40-1 clamp kit |
| 1 x Stainless Steel Clamp Assembly to suit 40 mm diameter round tube, 1 Lug |
| 2 x Stainless Steel 30 mm Hex Bolts, M8 thread |
| 1 x Stainless Steel 20 mm Hex Bolt, M8 thread |
| 3 x Stainless Steel Spring Washers, M8 |
| 3 x Stainless Steel Hex Nuts, M8 |
| Kit Weight : 280 grams |
| SB40-2 clamp kit |
| 1 x Stainless Steel Clamp Assembly to suit 40 mm diameter round tube, 2 Lugs |
| 2 x Stainless Steel 30 mm Hex Bolts, M8 thread |
| 2 x Stainless Steel 20 mm Hex Bolt, M8 thread |
| 4 x Stainless Steel Spring Washers, M8 |
| 4 x Stainless Steel Hex Nuts, M8 |
| Kit Weight : 325 grams |
