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NW Ball Plungers

NW ball plungers—also called spring plungers or detent plungers—are spring-loaded components used to create a repeatable detent, indexing point, or light holding force in fixtures and mechanical assemblies (application dependent). They’re commonly used to locate adjustable parts, provide “click-stop” positioning, and maintain consistent engagement in guards, covers, slides, and modular workholding setups. Because the feel and retention depend heavily on spring force and ball size, ball plungers are typically selected by specification.

NORTHWESTERN TOOLS 10432A Press Fit Ball Plunger - Stainless Ball, Light Pressure 0.250 Ball Dia. X End Force: 2.0 Initial x 5.0 Final

NORTHWESTERN TOOLS 10432A Press Fit Ball Plunger - Stainless Ball, Light Pressure 0.250 Ball Dia. X End Force: 2.0 Initial x 5.0 Final

SKU: NW-10432A
MPN: 10432A

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10433 Press Fit Ball Plunger - Stainless Ball, Light Pressure 0.312 Ball Dia. X End Force: 2.5 Initial x 7.0 Final

NORTHWESTERN TOOLS 10433 Press Fit Ball Plunger - Stainless Ball, Light Pressure 0.312 Ball Dia. X End Force: 2.5 Initial x 7.0 Final

SKU: NW-10433
MPN: 10433

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10434 Press Fit Ball Plunger - Stainless Ball, Light Pressure 0.437 Ball Dia. X End Force: 4.0 Initial x 9.0 Final

NORTHWESTERN TOOLS 10434 Press Fit Ball Plunger - Stainless Ball, Light Pressure 0.437 Ball Dia. X End Force: 4.0 Initial x 9.0 Final

SKU: NW-10434
MPN: 10434

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10440 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.093 Ball Dia. X End Force: 0.75 Initial x 2.5 Final

NORTHWESTERN TOOLS 10440 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.093 Ball Dia. X End Force: 0.75 Initial x 2.5 Final

SKU: NW-10440
MPN: 10440

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10440A Press Fit Ball Plunger - Stainless Ball, Medium Pressure 0.125 Body Dia. X End Force: 1.5 Initial x 3.5 Final

NORTHWESTERN TOOLS 10440A Press Fit Ball Plunger - Stainless Ball, Medium Pressure 0.125 Body Dia. X End Force: 1.5 Initial x 3.5 Final

SKU: NW-10440A
MPN: 10440A

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10441 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.156 Ball Dia. X End Force: 2.0 Initial x 5.0 Final

NORTHWESTERN TOOLS 10441 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.156 Ball Dia. X End Force: 2.0 Initial x 5.0 Final

SKU: NW-10441
MPN: 10441

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10442 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.187 Ball Dia. X End Force: 3.0 Initial x 7.0 Final

NORTHWESTERN TOOLS 10442 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.187 Ball Dia. X End Force: 3.0 Initial x 7.0 Final

SKU: NW-10442
MPN: 10442

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NORTHWESTERN TOOLS 10442A Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.250 Ball Dia. X End Force: 4.0 Initial x 10.0 Final

NORTHWESTERN TOOLS 10442A Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.250 Ball Dia. X End Force: 4.0 Initial x 10.0 Final

SKU: NW-10442A
MPN: 10442A

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10443 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.312 Ball Dia. X End Force: 5.0 Initial x 14.0 Final

NORTHWESTERN TOOLS 10443 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.312 Ball Dia. X End Force: 5.0 Initial x 14.0 Final

SKU: NW-10443
MPN: 10443

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10444 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.437 Ball Dia. X End Force: 8.0 Initial x 18.0 Final

NORTHWESTERN TOOLS 10444 Press Fit Ball Plunger - Delrin Ball, Medium Pressure 0.437 Ball Dia. X End Force: 8.0 Initial x 18.0 Final

SKU: NW-10444
MPN: 10444

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10445 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.093 Ball Dia. X End Force: 2.0 Initial x 5.0 Final

NORTHWESTERN TOOLS 10445 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.093 Ball Dia. X End Force: 2.0 Initial x 5.0 Final

SKU: NW-10445
MPN: 10445

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10445A Press Fit Ball Plunger - Stainless Ball, Heavy Pressure 0.125 Body Dia. X End Force: 4.0 Initial x 10.0 Final

NORTHWESTERN TOOLS 10445A Press Fit Ball Plunger - Stainless Ball, Heavy Pressure 0.125 Body Dia. X End Force: 4.0 Initial x 10.0 Final

SKU: NW-10445A
MPN: 10445A

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10446 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.156 Ball Dia. X End Force: 4.0 Initial x 10.0 Final

NORTHWESTERN TOOLS 10446 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.156 Ball Dia. X End Force: 4.0 Initial x 10.0 Final

SKU: NW-10446
MPN: 10446

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10447 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.187 Ball Dia. X End Force: 6.0 Initial x 13.0 Final

NORTHWESTERN TOOLS 10447 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.187 Ball Dia. X End Force: 6.0 Initial x 13.0 Final

SKU: NW-10447
MPN: 10447

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10447A Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.250 Ball Dia. X End Force: 8.0 Initial x 16.0 Final

NORTHWESTERN TOOLS 10447A Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.250 Ball Dia. X End Force: 8.0 Initial x 16.0 Final

SKU: NW-10447A
MPN: 10447A

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10448 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.312 Ball Dia. X End Force: 10.0 Initial x 18.0 Final

NORTHWESTERN TOOLS 10448 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.312 Ball Dia. X End Force: 10.0 Initial x 18.0 Final

SKU: NW-10448
MPN: 10448

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10449 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.437 Ball Dia. X End Force: 12.0 Initial x 23.0 Final

NORTHWESTERN TOOLS 10449 Press Fit Ball Plunger - Delrin Ball, Heavy Pressure 0.437 Ball Dia. X End Force: 12.0 Initial x 23.0 Final

SKU: NW-10449
MPN: 10449

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10450 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.093 Ball Dia. X End Force: 0.5 Initial x 1.0 Final

NORTHWESTERN TOOLS 10450 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.093 Ball Dia. X End Force: 0.5 Initial x 1.0 Final

SKU: NW-10450
MPN: 10450

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10450A Press Fit Ball Plunger - Stainless Ball, Light Pressure 0.125 Ball Dia. x End Force: 0.75 Initial x 2.0 Final

NORTHWESTERN TOOLS 10450A Press Fit Ball Plunger - Stainless Ball, Light Pressure 0.125 Ball Dia. x End Force: 0.75 Initial x 2.0 Final

SKU: NW-10450A
MPN: 10450A

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10451 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.156 Ball Dia. x End Force: 1.0 Initial x 2.5 Final

NORTHWESTERN TOOLS 10451 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.156 Ball Dia. x End Force: 1.0 Initial x 2.5 Final

SKU: NW-10451
MPN: 10451

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10452 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.187 Ball Dia. X End Force: 1.5 Initial x 3.5 Final

NORTHWESTERN TOOLS 10452 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.187 Ball Dia. X End Force: 1.5 Initial x 3.5 Final

SKU: NW-10452
MPN: 10452

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10452A Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.250 Ball Dia. X End Force: 2.0 Initial x 5.0 Final

NORTHWESTERN TOOLS 10452A Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.250 Ball Dia. X End Force: 2.0 Initial x 5.0 Final

SKU: NW-10452A
MPN: 10452A

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10453 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.312 Ball Dia. X End Force: 2.5 Initial x 7.0 Final

NORTHWESTERN TOOLS 10453 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.312 Ball Dia. X End Force: 2.5 Initial x 7.0 Final

SKU: NW-10453
MPN: 10453

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10454 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.437 Ball Dia. X End Force: 4.0 Initial x 9.0 Final

NORTHWESTERN TOOLS 10454 Press Fit Ball Plunger - Delrin Ball, Light Pressure 0.437 Ball Dia. X End Force: 4.0 Initial x 9.0 Final

SKU: NW-10454
MPN: 10454

EMAIL SALES FOR PRICING