13 Best Metalworking Ball Nose Spring Plungers

List Updated April 2020

Bestselling Metalworking Ball Nose Spring Plungers in 2020


Morton MBP-117 Black Oxide Steel Ball Plunger, 5/16"-18 Thread, 5/32" Ball Diameter, 6 kg Start - 17 kg Full End Pressure (Pack of 5)

Morton MBP-117 Black Oxide Steel Ball Plunger, 5/16
BESTSELLER NO. 1 in 2020
  • Made of steel
  • Comes with stainless steel ball nose
  • Plungers equipped with nylon pellet for positive holding
  • Ideal for locating or positioning applications
  • RoHs compliant

Kipp KBP-213 Slotted Long-Lok Thread All-Stainless Steel Ball Plunger 6-32 x .28, End force-.67 lbs.

Kipp KBP-213 Slotted Long-Lok Thread All-Stainless Steel Ball Plunger 6-32 x .28, End force-.67 lbs.
BESTSELLER NO. 2 in 2020

uxcell 5 Pcs 8mm Dia Brass Body 11.7N Full End Pressure Press in Ball Point Spring Plunger

uxcell 5 Pcs 8mm Dia Brass Body 11.7N Full End Pressure Press in Ball Point Spring Plunger
BESTSELLER NO. 3 in 2020
  • Hole Diameter: 3mm / 0.12"; Ball Diameter: 6.35mm / 0.25"
  • Total Length: 11.5mm / 0.45"; Spring Pressure: 6.5N-11.7N (Min.-Max.)
  • Body Size(Not Included Ball): 9 x 8mm / 0.35" x 0.31" (L*D); Product Name: Ball Plunger
  • Package Content: 5pcs x Ball Plunger; Main Color: Brass Tone
  • Material: Brass(Body), SUS440C(Ball), SUS631J1(Spring); Weight: 15g

Jergens 10812 Steel Ball Plunger, Low Carbon Steel, 3/8" Thread

Jergens 10812 Steel Ball Plunger, Low Carbon Steel, 3/8
BESTSELLER NO. 4 in 2020
  • Ball material: 440 stainless steel
  • Spring material: 17-7 PH stainless steel
  • Black-oxide finish provides lubricity and mild rust resistance
  • Thread: 2A-UNC
  • Dimensionally conforms to TCMA standards

Kipp 03031-A3 Steel Spring Plungers with Standard End Pressure, Long-Lok, Ball Style, Hexagon Socket, Inch, Black Oxide Finish, 5/16"-18" Thread (Pack of 10)

Kipp 03031-A3 Steel Spring Plungers with Standard End Pressure, Long-Lok, Ball Style, Hexagon Socket, Inch, Black Oxide Finish, 5/16
BESTSELLER NO. 5 in 2020
  • Body in steel quality class 5.8
  • Ball in steel
  • Spring in spring steel class D
  • LONG-LOK thread system in nylon
  • Black oxide finish; ball hardened

uxcell M3x7mm 304 Stainless Steel Body Slotted Ball Style Spring Plunger 5pcs

uxcell M3x7mm 304 Stainless Steel Body Slotted Ball Style Spring Plunger 5pcs
BESTSELLER NO. 6 in 2020
  • Product Name: Ball Plunger; Package Content: 5pcs x Ball Plunger; Main Color: Silver Tone
  • Material: SUS304(Body), SUS440C(Ball), SWP-B(Spring); Weight: 2g
  • Thread Dia.: M3; Ball Dia.: 1.5mm / 0.06"
  • Slot Width: 1mm / 0.04"; Body Length: 7mm / 0.28"
  • Min Elasticity: 1.5N; Max Elasticity: 2.9N

PRP Series Steel Lock-Out Type Hand Retractable Spring Plunger with Pull Ring, 1/2"-13 Thread Size, 1.40" Thread Length

PRP Series Steel Lock-Out Type Hand Retractable Spring Plunger with Pull Ring, 1/2
BESTSELLER NO. 7 in 2020
  • Steel, zinc plated finish plunger body
  • Case hardened steel, zinc plated finish plunger pin
  • Spring steel, zinc plated finish pull ring

5 Pcs 5mm x 6mm Silver Tone Stainless Steel Spring Ball Plunger

5 Pcs 5mm x 6mm Silver Tone Stainless Steel Spring Ball Plunger
BESTSELLER NO. 8 in 2020
  • Product Name : Ball Plunger;Ball Diameter : 4mm/0.16"
  • Hole Diameter : 3mm / 0.12";Body Size : 5 x 6mm / 0.2" x 0.24"(D*H)
  • Material : Stainless Steel;Color : Silver Tone
  • Weight : 5g
  • Package Content : 5Pcs x Ball Plunger

uxcell M3x7mm 304 Stainless Steel Body Slotted Ball Style Spring Plunger 10pcs

uxcell M3x7mm 304 Stainless Steel Body Slotted Ball Style Spring Plunger 10pcs
BESTSELLER NO. 9 in 2020
  • Product Name: Ball Plunger; Package Content: 10pcs x Ball Plunger; Main Color: Silver Tone
  • Material: SUS304(Body), SUS440C(Ball), SWP-B(Spring); Weight: 3g
  • Thread Dia.: M3; Ball Dia.: 1.5mm / 0.06"
  • Slot Width: 1mm / 0.04"; Body Length: 7mm / 0.28"
  • Min Elasticity: 1.5N; Max Elasticity: 2.9N

GN 612.8 Zinc Die-Cast Cam Action Indexing Plunger, without Lock Nut, M20 x 1.5mm Thread Size, 10mm Item Diameter

GN 612.8 Zinc Die-Cast Cam Action Indexing Plunger, without Lock Nut, M20 x 1.5mm Thread Size, 10mm Item Diameter
BESTSELLER NO. 10 in 2020
  • Zinc die-cast, corrosion-resistant Threaded body
  • Technolpolymer plastic matte black Lever arm not removable
  • Steel, zinc plated, blue passivated Plunger pin

uxcell 2 Pcs 10mm Dia Brass Body Press in Type Ball Nose Spring Plunger

uxcell 2 Pcs 10mm Dia Brass Body Press in Type Ball Nose Spring Plunger
BESTSELLER NO. 11 in 2020
  • Product Name: Ball Plunger; Package Content: 2pcs x Ball Plunger
  • Main Color: Brass Tone; Material: Brass(Body), SUS440C(Ball), SUS631J1(Spring)
  • Weight: 15g; Hole Diameter: 3mm / 0.12"
  • Ball Diameter: 8mm / 0.31"; Spring Pressure: 9N-15N (Min.-Max.)
  • Body Size(Not Included Ball): 11.5 x 10mm / 0.45" x 0.39" (L*D); Total Length: 17.4mm / 0.69"

uxcell 3pcs 12mm Dia Brass Body Press in Type Ball Nose Spring Plunger

uxcell 3pcs 12mm Dia Brass Body Press in Type Ball Nose Spring Plunger
BESTSELLER NO. 12 in 2020
  • Product Name: Ball Plunger; Package Content: 3pcs x Ball Plunger
  • Main Color: Brass Tone; Material: Brass(Body), SUS440C(Ball), SUS631J1(Spring)
  • Weight: 33g; Hole Diameter: 3mm / 0.12"
  • Ball Diameter: 10mm / 0.39"; Spring Pressure: 13N-60N (Min.-Max.)
  • Body Size(Not Included Ball): 16 x 12mm / 0.63" x 0.47" (L*D); Total Length: 20mm / 0.79"

uxcell 12mm Diameter Brass Body Press in Type Ball Nose Spring Plunger

uxcell 12mm Diameter Brass Body Press in Type Ball Nose Spring Plunger
BESTSELLER NO. 13 in 2020
  • Product Name: Ball Plunger; Package Content: 1 x Ball Plunger
  • Main Color: Brass Tone; Material: Brass(Body), SUS440C(Ball), SUS631J1(Spring)
  • Weight: 12g; Hole Diameter: 3mm / 0.12"
  • Ball Diameter: 10mm / 0.39"; Spring Pressure: 13N-60N (Min.-Max.)
  • Body Size(Not Included Ball): 16 x 12mm / 0.63" x 0.47" (L*D); Total Length: 20mm / 0.79"

Picking Out the Right Bench Grinder

This is a review on two popular bench grinder's, the veritas grinding set and the wolverine.

Before looking at each of the different models, it's worth taking a minute to focus on what's important in a tool rest. First, it needs to provide a stable platform. That is, it should be able to hold the tool firmly at a predetermined angle without excessive vibration. And this is where most of the stock rests fall short. They're often undersized and made of thin steel, held in position with a wing nut. The second important feature you should look for in a tool rest is easy adjustability. You need to be able to set the correct grinding angle for a variety of different tools and once the angle is established, the rest needs a reliable, solid mechanism to lock in that angle. Finally, since your grinding tasks might include everything from a large turning gouge to a small spokeshave blade, having a versatile tool holder to make the task easier and safer is a big plus. The first tool rest I looked at was the Veritas Basic Grinding Set, as the name implies, this is more than just a tool rest. It's a complete sharpening system with a grinding jig and an angle-setting gauge. At the heart of the system is the anodized aluminum tool rest that mounts to a board along with your grinder. The rest features a large platform that includes a slot for the grinding jig. The main photo above shows the tool rest and jig in action. Position adjustments are made easy with the two spring-loaded handles that allow you to move the platform to just about any grinding angle. Zeroing in on a specific angle can be a hassle in any sharpening setup, but the plastic gauge included with the Veritas set makes it a breeze. The gauge includes the most commonly used bevel angles of 20°, 25°, 30°, and 35°. While holding the gauge against the wheel, you simply lock the platform to the matching angle. With the tool rest locked in place, the next step is to mount your tool in the grinding jig. A pair of thumbscrews tightens down a clamping bar, securely holding the tool in place. A brass pin registers the blade at 90° for most common tasks. To sharpen skew chisels, simply move the pin to change the angle to 30°. Overall, the Veritas jig provides a solid and easy-to-use grinding system for a very reasonable price ($69).

The second tool rest I tried was the Wolverine from Oneway. Since Oneway makes some of the finest lathes on the market, it's no surprise that this tool rest is geared toward sharpening turning tools. A base mounted beneath each grinding wheel supports a 3/4" square steel tube arm. The adjustable arms hold a tool rest on one wheel and a unique design for sharpening longer tools on the other. The square tube arms slide in well machined channels on the base and lock in place with oversized handles. For ease of use and holding power, these locks just can't be beat and the all-steel construction ensures a lifetime of reliable service. The Wolverine's tool rest takes full advantage of the steel construction by providing a rock-solid surface. This plat­ form is for grinding chisels and other flat beveled tools. It's great for free-hand grinding, but jigs are available to hold chisels and plane irons as well. Or you could easily build a couple of shop-made jigs for your other tools but the Wolverine really shines at sharpening turning tools. For example, rather than trying to set a platform to the proper grinding angle for a roughing gouge, the Wolverine handles the task with a pocket on the sliding arm to hold the end of the tool. By sliding the arm toward or away from the wheel, you can set the grinding angle to match the gouge's bevel. Once in place, you just rotate the gouge against the wheel to sharpen it across the full face of the cutting edge. This is a great method for grinding and maintaining consistent bevels and since turning tools need very frequent touch up sharpening, this design is a winner.

All in all, you can't go wrong with either of these well made systems. Which one is right for you depends on the kind of woodworking you do.

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