Steel Holeformers
NPC Steel Holeformers are designed for long life ease of handling, and efficient installation. Unlike other holeformer materials, our heavy-gauge, premium steel construction is virtually indestructible.
All NPC Holeformers are manufacturered to precise specifications and a complete range of sizes and applications. Sizes 18" and larger are collapsible for easy installation and removal.
The accuracy and long-term durability of NPC Steel Holeformers ensure precise, trouble-free openings every time.
The last two numbers in the model number indicates the hole size [S106-12WP]
For hole sizes 8" and smaller (wedge style)
use torque wrench P/N 91819 for tightening wedge (5 ft. lbs.)
106 vs. 406: 106 Connector is 8" long - 406 Connector is 6" long
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|
| Hole Diameter Inches
| Manhole Size / Wall Thickness
Inches
|
| 5 |
48/5 |
60/6 |
72/7 |
| 6 |
48/5 |
60/6 |
72/7 |
| 7 |
48/5 |
60/6 |
72/7 |
| 8 |
48/5 |
60/6 |
72/7 |
| 9 |
48/5 |
60/6 |
72/7 |
| 10 |
48/5 |
60/6 |
72/7 |
| 10.5 |
48/5 |
60/6 |
72/7 |
| 12 |
48/5 |
60/6 |
72/7 |
| 12 |
48/5 |
60/6 |
72/7 |
| 14 |
48/5 |
60/6 |
72/7 |
| 16 |
48/5 |
60/6 |
72/7 |
| 18 |
48/5 |
60/6 |
72/7 |
| 20 |
48/5 |
60/6 |
72/7 |
| 22 |
48/5 |
60/6 |
72/7 |
| 24 |
48/5 |
60/6 |
72/7 |
| 26 |
48/5 |
60/6 |
72/7 |
| 28 |
48/5 |
60/6 |
72/7 |
| 30 |
48/5 |
60/6 |
72/7 |
| 32 |
48/5 |
60/6 |
72/7 |
| 34 |
48/5 |
60/6 |
72/7 |
| 36 |
48/5 |
60/6 |
72/7 |
| Ordering Information for Model Numbers: |
“T” designates Toggle “V” Style.
Installation requires P/N 91910
Hydraulic Jack Assembly.
“WS” designates Steel Wedge Style.
Installation requires ½” socket
wrench and preset torque limiter.
“WP” designates Plastic Wedge Style.
Installation requires ½” socket wrench
and preset torque limiter.
“SL” designates Slotted Band Style.
Installation requires P/N 91969. |
