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Plate-Mount Retractable Spring Plungers
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Fasten these spring plungers to a flat surface when it's not possible to thread holes. The plate ensures a stable, even base so the spring plunger never shifts out of place. These spring plungers retract manually with a tug of the knob, so you can make controlled adjustments as needed for your job. They're often used for aligning sheet metal parts for cutting, stamping, and welding.
Steel Nose—The strongest, most wear-resistant noses, these won't deform from stress and vibration. Steel is best for dry environments, however, since moisture will cause it to rust.
18-8 Stainless Steel Nose—The choice for wet and outdoor environments, 18-8 stainless steel resists rusting. It's strong enough for most jobs, but won't withstand stress and vibration as well as steel.
Twist-to-Lock—Free up both hands to adjust your workpiece or switch out parts without the plunger springing back and getting in the way. Pull back the handle and twist to lock the nose in its retracted position.
Plate | Nose | Nose Force, lbf | Handle | Mount Holes | Nonlocking | Twist-to-Lock | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ht. | Wd. | Material | Extended Lg. | Dia. | Extended | Compressed | Body Lg. | Material | Dia. | Dia. | Ctr.-to-Ctr. Wd. | Each | Each | ||||
Steel Nose | |||||||||||||||||
| 0.71" | 1.57" | Zinc Alloy | 0.24" | 0.24" | 1.9 | 4.9 | 1.46" | Nylon | 1" | 0.17" | 1.18" | 8478A1 | 000000 | 8478A3 | 000000 | ||
| 0.71" | 1.57" | Zinc Alloy | 0.55" | 0.24" | 1.9 | 4.9 | 1.77" | Nylon | 1" | 0.17" | 1.18" | 8478A7 | 00000 | 8478A5 | 00000 | ||
| 0.79" | 1.81" | Zinc Alloy | 0.31" | 0.31" | 3.5 | 6.3 | 1.73" | Nylon | 1 1/4" | 0.21" | 1.34" | 8478A2 | 00000 | 8478A4 | 00000 | ||
| 0.79" | 1.81" | Zinc Alloy | 0.71" | 0.31" | 3.5 | 6.3 | 2.13" | Nylon | 1 1/4" | 0.21" | 1.34" | 8478A8 | 00000 | 8478A6 | 00000 | ||
18-8 Stainless Steel Nose | |||||||||||||||||
| 0.59" | 1.38" | 18-8 Stainless Steel | 0.2" | 0.16" | 0.9 | 2.7 | 1.09" | 18-8 Stainless Steel | 13/16" | 0.17" | 0.98" | 8478A33 | 00000 | 8478A71 | 00000 | ||
| 0.59" | 1.38" | 18-8 Stainless Steel | 0.2" | 0.16" | 0.9 | 2.7 | 1.09" | Nylon | 13/16" | 0.17" | 0.98" | 8478A32 | 00000 | 8478A51 | 00000 | ||
| 0.59" | 1.38" | 18-8 Stainless Steel | 0.39" | 0.16" | 0.9 | 2.7 | 1.28" | 18-8 Stainless Steel | 13/16" | 0.17" | 0.98" | 8478A331 | 00000 | 8478A72 | 00000 | ||
| 0.59" | 1.38" | 18-8 Stainless Steel | 0.39" | 0.16" | 0.9 | 2.7 | 1.28" | Nylon | 13/16" | 0.17" | 0.98" | 8478A321 | 00000 | 8478A52 | 00000 | ||
| 0.59" | 1.38" | Zinc Alloy | 0.2" | 0.16" | 0.9 | 2.7 | 1.09" | Nylon | 13/16" | 0.17" | 0.98" | 8478A31 | 00000 | 8478A34 | 00000 | ||
| 0.59" | 1.38" | Zinc Alloy | 0.39" | 0.16" | 0.9 | 2.7 | 1.28" | Nylon | 13/16" | 0.17" | 0.98" | 8478A311 | 00000 | 8478A35 | 00000 | ||
| 0.71" | 1.57" | 18-8 Stainless Steel | 0.24" | 0.2" | 1.3 | 3.6 | 1.34" | 18-8 Stainless Steel | 1" | 0.17" | 1.18" | 8478A332 | 00000 | ——— | 0 | ||
| 0.71" | 1.57" | 18-8 Stainless Steel | 0.24" | 0.2" | 1.3 | 3.6 | 1.34" | Nylon | 1" | 0.17" | 1.18" | 8478A322 | 00000 | ——— | 0 | ||
| 0.71" | 1.57" | 18-8 Stainless Steel | 0.24" | 0.24" | 1.3 | 3.6 | 1.34" | 18-8 Stainless Steel | 1" | 0.17" | 1.18" | 8478A334 | 00000 | 8478A75 | 00000 | ||
| 0.71" | 1.57" | 18-8 Stainless Steel | 0.24" | 0.24" | 1.3 | 3.6 | 1.34" | Nylon | 1" | 0.17" | 1.18" | 8478A324 | 00000 | 8478A55 | 00000 | ||
| 0.71" | 1.57" | 18-8 Stainless Steel | 0.47" | 0.2" | 1.3 | 3.6 | 1.57" | 18-8 Stainless Steel | 1" | 0.17" | 1.18" | 8478A333 | 00000 | 8478A74 | 00000 | ||
| 0.71" | 1.57" | 18-8 Stainless Steel | 0.47" | 0.2" | 1.3 | 3.6 | 1.57" | Nylon | 1" | 0.17" | 1.18" | 8478A323 | 00000 | 8478A54 | 00000 | ||
| 0.71" | 1.57" | 18-8 Stainless Steel | 0.47" | 0.24" | 1.3 | 3.6 | 1.57" | 18-8 Stainless Steel | 1" | 0.17" | 1.18" | 8478A335 | 00000 | 8478A76 | 00000 | ||
| 0.71" | 1.57" | 18-8 Stainless Steel | 0.47" | 0.24" | 1.3 | 3.6 | 1.57" | Nylon | 1" | 0.17" | 1.18" | 8478A325 | 00000 | 8478A56 | 00000 | ||
| 0.71" | 1.57" | Zinc Alloy | 0.24" | 0.2" | 1.3 | 3.6 | 1.34" | Nylon | 1" | 0.17" | 1.18" | 8478A312 | 00000 | 8478A36 | 00000 | ||
| 0.71" | 1.57" | Zinc Alloy | 0.24" | 0.24" | 1.3 | 3.6 | 1.34" | Nylon | 1" | 0.17" | 1.18" | 8478A314 | 00000 | 8478A38 | 00000 | ||
| 0.71" | 1.57" | Zinc Alloy | 0.24" | 0.24" | 1.9 | 4.9 | 1.46" | Nylon | 1" | 0.17" | 1.18" | 8478A11 | 00000 | 8478A21 | 00000 | ||
| 0.71" | 1.57" | Zinc Alloy | 0.47" | 0.2" | 1.3 | 3.6 | 1.57" | Nylon | 1" | 0.17" | 1.18" | 8478A313 | 00000 | 8478A37 | 00000 | ||
| 0.71" | 1.57" | Zinc Alloy | 0.47" | 0.24" | 1.3 | 3.6 | 1.57" | Nylon | 1" | 0.17" | 1.18" | 8478A315 | 00000 | 8478A39 | 00000 | ||
| 0.71" | 1.57" | Zinc Alloy | 0.55" | 0.24" | 1.9 | 4.9 | 1.77" | Nylon | 1" | 0.17" | 1.18" | 8478A12 | 00000 | 8478A22 | 00000 | ||
| 0.79" | 1.81" | Zinc Alloy | 0.31" | 0.31" | 3.5 | 6.3 | 1.73" | Nylon | 1 1/4" | 0.21" | 1.34" | 8478A13 | 00000 | 8478A23 | 00000 | ||
| 0.79" | 1.81" | Zinc Alloy | 0.71" | 0.31" | 3.5 | 6.3 | 2.13" | Nylon | 1 1/4" | 0.21" | 1.34" | 8478A14 | 00000 | 8478A24 | 00000 | ||
| 0.91" | 1.97" | 18-8 Stainless Steel | 0.39" | 0.31" | 2.4 | 7.8 | 1.87" | 18-8 Stainless Steel | 1 5/16" | 0.21" | 1.5" | 8478A336 | 00000 | 8478A77 | 00000 | ||
| 0.91" | 1.97" | 18-8 Stainless Steel | 0.39" | 0.31" | 2.4 | 7.8 | 1.87" | Nylon | 1 5/16" | 0.21" | 1.5" | 8478A326 | 00000 | 8478A57 | 00000 | ||
| 0.91" | 1.97" | 18-8 Stainless Steel | 0.39" | 0.39" | 2.4 | 7.8 | 1.87" | 18-8 Stainless Steel | 1 5/16" | 0.21" | 1.5" | 8478A338 | 00000 | 8478A79 | 00000 | ||
| 0.91" | 1.97" | 18-8 Stainless Steel | 0.39" | 0.39" | 2.4 | 7.8 | 1.87" | Nylon | 1 5/16" | 0.21" | 1.5" | 8478A328 | 00000 | 8478A59 | 00000 | ||
| 0.91" | 1.97" | 18-8 Stainless Steel | 0.79" | 0.31" | 2.4 | 7.8 | 2.27" | 18-8 Stainless Steel | 1 5/16" | 0.21" | 1.5" | 8478A337 | 00000 | 8478A78 | 00000 | ||
| 0.91" | 1.97" | 18-8 Stainless Steel | 0.79" | 0.31" | 2.4 | 7.8 | 2.27" | Nylon | 1 5/16" | 0.21" | 1.5" | 8478A327 | 00000 | 8478A58 | 00000 | ||
| 0.91" | 1.97" | 18-8 Stainless Steel | 0.79" | 0.39" | 2.4 | 7.8 | 2.27" | 18-8 Stainless Steel | 1 5/16" | 0.21" | 1.5" | 8478A339 | 00000 | 8478A81 | 00000 | ||
| 0.91" | 1.97" | 18-8 Stainless Steel | 0.79" | 0.39" | 2.4 | 7.8 | 2.27" | Nylon | 1 5/16" | 0.21" | 1.5" | 8478A329 | 00000 | 8478A61 | 00000 | ||
| 0.91" | 1.97" | Zinc Alloy | 0.39" | 0.31" | 2.4 | 7.8 | 1.87" | Nylon | 1 5/16" | 0.21" | 1.5" | 8478A316 | 00000 | 8478A41 | 00000 | ||
| 0.91" | 1.97" | Zinc Alloy | 0.39" | 0.39" | 2.4 | 7.8 | 1.87" | Nylon | 1 5/16" | 0.21" | 1.5" | 8478A318 | 00000 | 8478A43 | 00000 | ||
| 0.91" | 1.97" | Zinc Alloy | 0.79" | 0.31" | 2.4 | 7.8 | 2.27" | Nylon | 1 5/16" | 0.21" | 1.5" | 8478A317 | 00000 | 8478A42 | 00000 | ||
| 0.91" | 1.97" | Zinc Alloy | 0.79" | 0.39" | 2.4 | 7.8 | 2.27" | Nylon | 1 5/16" | 0.21" | 1.5" | 8478A319 | 00000 | 8478A44 | 00000 | ||
