Crossarm, Heavy Duty
The following Heavy Duty Crossarm Pins are all, one-piece forgings, with ANSI standard nylon alloy or cast lead threads designed for the heavy loading of high voltage pins. Short shank pins are for use on steel crossarms while long shank pins are for wood crossarms. Pins with a “Z” suffix in the catalog number are furnished with insulator threads produced from an advanced nylon alloy compound.
Material:
- Pin: Forged Steel
- Threads: Lead or Nylon Alloy
Improved corrosion resistant options are available!


Long Shank For Insulators with Standard 1"" Threaded Pin Hole (ANSI Class 55-6)
Catalog Number | Thread Material | S | A | B | D | T | Washer Dim. (Sq. Inches) | Weight/100 (lbs) |
---|---|---|---|---|---|---|---|---|
J626Z | Nylon Alloy | 5/8 | 6 | 6-1/2 | 2-3/4 | 3 | 2 | 194 |
J607Z-DE | Nylon Alloy | 3/4 | 7 | 8 | 2-3/4 | 5 | 3 | 265 |
J607Z | Nylon Alloy | 3/4 | 7 | 6-1/2 | 2-3/4 | 4 | 2-1/4 | 260 |
J24626Z | Nylon Alloy | 5/8 | 8 | 5-3/4 | 3 | 3 | 2 | 336 |
J606Z | Nylon Alloy | 3/4 | 6 | 6-1/2 | 2-3/4 | 4 | 2-1/4 | 246 |
Short Shank For Insulators with Standard 1"" Threaded Pin Hole (ANSI Class 55-6)
Catalog Number | Thread Material | S | A | B | D | Washer Dim. (Sq. Inches) | Weight/100 (lbs) |
---|---|---|---|---|---|---|---|
J629 | Lead | 3/4 | 7 | 1-3/8 | 2-3/4 | - | 210 |
Standard Duty Short Shank For Insulators with Standard 1-3/8"" Threaded Pin Hole (ANSI Class 55-7)
Catalog Number | Thread Material | S | A | B | D | Washer Dim. (Sq. Inches) | Weight/100 (lbs) |
---|---|---|---|---|---|---|---|
J631 | Lead | 3/4 | 8 | 1-5/8 | 3 | - | 380 |


Table below are items protected with zinc applied by the Thermal Diffusion Galvanizing (TDG) process (reference ASTM A 1059). Corrosion protection and service life for TDG items is greater than that provided by standard hot dip galvanizing.
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TDG -Heavy Duty - For Insulators with standard 1-3/8" threaded pin hole
Catalog Number | Thread Material | S | A | B | T | D | Washer Dim. (Sq. Inches) | Weight/100 (lbs) |
---|---|---|---|---|---|---|---|---|
J647ZT | Nylon Alloy | 5/8 | 7 | 7 | 4 | 3 | 2-1/4 | 302 |


Table below are items protected with zinc applied by the Thermal Diffusion Galvanizing (TDG) process (reference ASTM A 1059). Corrosion protection and service life for TDG items is greater than that provided by standard hot dip galvanizing.
Click here for more information
TDG -Heavy Duty - For Insulators with standard 1" threaded pin hole
Catalog Number | Thread Material | S | A | B | T | D | Washer Dim. (Sq. Inches) | Weight/100 (lbs) |
---|---|---|---|---|---|---|---|---|
J607ZT | Nylon Alloy | 3/4 | 7 | 6-1/2 | 4 | 2-3/4 | 2-1/4 | 260 |
J606ZT | Nylon Alloy | 3/4 | 6 | 6-1/2 | 4 | 2-3/4 | 2-1/4 | 246 |