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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 10623 Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 1.5 Start, 3.5 Full; A: .250; B: .525; C: .070; Ball Dia. D: .187

NORTHWESTERN TOOLS 10623 Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 1.5 Start, 3.5 Full; A: .250; B: .525; C: .070; Ball Dia. D: .187

SKU: NW-10623
MPN: 10623

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10624 Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 2.0 Start, 5.0 Full; A: .312; B: .688; C: .090; Ball Dia. D: .250

NORTHWESTERN TOOLS 10624 Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 2.0 Start, 5.0 Full; A: .312; B: .688; C: .090; Ball Dia. D: .250

SKU: NW-10624
MPN: 10624

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10625 Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 2.5 Start, 7.0 Full; A: .375; B: .864; C: .110; Ball Dia. D: .312

NORTHWESTERN TOOLS 10625 Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 2.5 Start, 7.0 Full; A: .375; B: .864; C: .110; Ball Dia. D: .312

SKU: NW-10625
MPN: 10625

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10626 Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 4.0 Start, 9.0 Full; A: .500; B: 1.218; C: .161; Ball Dia. D: .437

NORTHWESTERN TOOLS 10626 Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 4.0 Start, 9.0 Full; A: .500; B: 1.218; C: .161; Ball Dia. D: .437

SKU: NW-10626
MPN: 10626

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10628 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 0.75 Start, 2.5 Full; A: .125; B: .284; C: .035; Ball Dia. D: .093

NORTHWESTERN TOOLS 10628 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 0.75 Start, 2.5 Full; A: .125; B: .284; C: .035; Ball Dia. D: .093

SKU: NW-10628
MPN: 10628

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10628A Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 1.5 Start, 3.5 Full

NORTHWESTERN TOOLS 10628A Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 1.5 Start, 3.5 Full

SKU: NW-10628A
MPN: 10628A

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10629 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 2.0 Start, 5.0 Full; A: .188; B: .440; C: .058; Ball Dia. D: .156

NORTHWESTERN TOOLS 10629 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 2.0 Start, 5.0 Full; A: .188; B: .440; C: .058; Ball Dia. D: .156

SKU: NW-10629
MPN: 10629

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10630 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 3.0 Start, 7.0 Full; A: .250; B: .525; C: .070; Ball Dia. D: .187

NORTHWESTERN TOOLS 10630 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 3.0 Start, 7.0 Full; A: .250; B: .525; C: .070; Ball Dia. D: .187

SKU: NW-10630
MPN: 10630

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10631 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 4.0 Start, 10.0 Full; A: .312; B: .688; C: .090; Ball Dia. D: .250

NORTHWESTERN TOOLS 10631 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 4.0 Start, 10.0 Full; A: .312; B: .688; C: .090; Ball Dia. D: .250

SKU: NW-10631
MPN: 10631

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10632 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 5.0 Start, 14.0 Full; A: .375; B: .864; C: .110; Ball Dia. D: .312

NORTHWESTERN TOOLS 10632 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 5.0 Start, 14.0 Full; A: .375; B: .864; C: .110; Ball Dia. D: .312

SKU: NW-10632
MPN: 10632

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10633 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 8.0 Start, 18.0 Full; A: .500; B: 1.218; C: .161; Ball Dia. D: .437

NORTHWESTERN TOOLS 10633 Press-Thru-Ball-Plunger / Delrin Ball / Medium Pressure: End Pressure (Lbs): 8.0 Start, 18.0 Full; A: .500; B: 1.218; C: .161; Ball Dia. D: .437

SKU: NW-10633
MPN: 10633

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10635 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 2.0 Start, 5.0 Full; A: .125; B: .284; C: .035; Ball Dia. D: .093

NORTHWESTERN TOOLS 10635 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 2.0 Start, 5.0 Full; A: .125; B: .284; C: .035; Ball Dia. D: .093

SKU: NW-10635
MPN: 10635

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10635A Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 3.0 Start, 7.5 Full

NORTHWESTERN TOOLS 10635A Press-Thru-Ball-Plunger / Delrin Ball / Light Pressure: End Pressure (Lbs): 3.0 Start, 7.5 Full

SKU: NW-10635A
MPN: 10635A

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10636 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 4.0 Start, 10.0 Full; A: .188; B: .440; C: .058; Ball Dia. D: .156

NORTHWESTERN TOOLS 10636 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 4.0 Start, 10.0 Full; A: .188; B: .440; C: .058; Ball Dia. D: .156

SKU: NW-10636
MPN: 10636

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10637 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 6.0 Start, 13.0 Full; A: .250; B: .525; C: .070; Ball Dia. D: .187

NORTHWESTERN TOOLS 10637 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 6.0 Start, 13.0 Full; A: .250; B: .525; C: .070; Ball Dia. D: .187

SKU: NW-10637
MPN: 10637

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10638 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 8.0 Start, 16.0 Full; A: .312; B: .688; C: .090; Ball Dia. D: .250

NORTHWESTERN TOOLS 10638 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 8.0 Start, 16.0 Full; A: .312; B: .688; C: .090; Ball Dia. D: .250

SKU: NW-10638
MPN: 10638

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10639 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 10.0 Start, 18.0 Full; A: .375; B: .864; C: .110; Ball Dia. D: .312

NORTHWESTERN TOOLS 10639 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 10.0 Start, 18.0 Full; A: .375; B: .864; C: .110; Ball Dia. D: .312

SKU: NW-10639
MPN: 10639

EMAIL SALES FOR PRICING
NORTHWESTERN TOOLS 10640 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 12.0 Start, 23.0 Full; A: .500; B: 1.218; C: .161; Ball Dia. D: .437

NORTHWESTERN TOOLS 10640 Press-Thru-Ball-Plunger / Delrin Ball / Heavy Pressure: End Pressure (Lbs): 12.0 Start, 23.0 Full; A: .500; B: 1.218; C: .161; Ball Dia. D: .437

SKU: NW-10640
MPN: 10640

EMAIL SALES FOR PRICING