FSV-4, Yost Heavy Duty 4" Forged Steel Vise

Yost Heavy Duty 4" Forged Steel Vise

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Product Description

This series is constructed out of 90,000 PSI Tensile Strength (54,000 psi yield strength) Forged Steel. This line is the only forged steel vise line to come with replaceable machinist and pipe jaws. Adjustable hardened guide rails provide smooth, precise operation. The durable powder coat finish provides a professional finish that helps prevent damage from weather. The forged steel base features two lockdowns for a tight grip.


  • 90,000 PSI Tensile Strength (54,000 psi yield strength) Forged Steel Castings (S45C)
  • Black Oxide Main Handle for increased corrosion resistance
  • Replaceable Black Oxide Machinist and Pipe Jaws
  • Large anvil work surface
  • Adjustable guide rails for smooth operation
  • 360° Swivel Base with two lockdowns
  • Forged steel base with three mounting holes
Price: $205.00







Additional Information

Model # FSV-4
Item # 20004
Jaw Width (nominal inches) 4"
Jaw Opening (nominal inches) 5"
Throat Depth (nominal inches) 2.9"
Min Pipe Capacity (nominal inches) .5"
Max Pipe Capacity (nominal inches) 2"
Base Swivel
Material Forged Steel
NSN No
Packaging Dimensions 14" x 7" x 7"
Shipping Weight (lbs) 22
Country of Origin Taiwan
Warranty Download
Vise - Isometric Download
Vise - Layout Download
Base Print Download
Serrated Machinist Jaws N/A
Serrated Pipe Jaws N/A
Owner's Manual Download
  1. Yost FSV-4 is an excellent vice Review by Grandpa Fixit
    Quality

    The last shop vise I had was cast iron and it broke (beyond repair). I checked out many vises locally and on-line and finally chose the Yost Vise FSV--4. This wasn't a low cost vise, but the thing I want to get across to all you garage/barn mechanics - this is really a choice vise. It is made of all steel - not cast iron - and it is made well. The jaws open to over 5.5 inches, probably more, I just stopped turning the handle at that point. I like the way the pipe jaws are out of the way but handy when you need to use them. You can pay a lot more, and if you have a professional shop you probably will buy one of those big honky vises. But this vise is the perfect size, form, fit and function for what I need. It will still be functioning like new for one of my sons long after I'm long gone. Note that it was packaged very well, "and I didn't have to clean off any sticky gooey grease". Also, delivery was very timely. (Posted on 1/31/2016)

  2. Five Stars Review by 31888
    Quality

    Very nice. (Posted on 11/21/2015)

  3. Fantastic vise Review by Carlos
    Quality

    This vise is FREAKIN AMAZING. It is plenty-big for most jobs, and it is built like a tank. Mine arrived in perfect condition, already greased-up and ready to go. The packaging was fantastic - it was wrapped in bubble wrap, in a box, in another box, in ANOTHER box - three boxes. It's heavy, awesome, and super well-built. All the movements are smooth as butter. This thing is awesome and I'd highly recommend it. (Posted on 10/21/2015)

  4. Will last a lifetime Review by Lumberjack Dave
    Quality

    Very sturdy and well made vise, not like the cheap harbor freight ones. This will no doubt last a lifetime. Very little movement or play in the handle, the swivel base is smooth and sturdy, it locks from two sides and is a lot more secure then my old vice. The jaws are removable and replaceable which is nice as I plan on putting a set of smooth flat jaws on it for a Better hold (it's physics, more surface area to hold) no doubt a good buy. (Posted on 7/5/2015)

  5. Great Vise Review by BFine
    Quality

    Well Constructed, sturdy vise. tougher than most vises and because its steel it doesn't take up as much room. best vise for this price. It came with one of the jaw head screws broken, probably from over tightening during assembly. i called Yost and they imidiatley sent me new screws and a new pair of hardened jaws. great costumer service. I Would recommend this vise. It does what its supposed to do and should for a very long time. (Posted on 1/22/2015)

  6. Wonderful vise, excellent price Review by S. Garsson
    Quality

    I LOVE this vise.

    Was between this, and a Wilton that cost 2x as much, which really didn't concern me.

    I build tool prototypes at home for commercial production....only problem is, only have a 7' workbench, and space is at a premium. The base on my bench vise HAD to be able to fit on a 7 1/2" oak mounting board. Contacted Wilton and Yost at the same time, Wilton referred me to a distributor to answer dimensional questions about a product that they manufactured(not a good way to start a business relationship with a company.

    Ryan, the CS that I dealt with at Yost, sent me schematics and was very helpful.

    Ordered the item on Monday, and it arrived at my house, safely and securely packaged on Wednesday, same week.

    Price was extremely fair, and the quality is apparent, it is manufactured in Taiwan, NOT China. For those of you who don't know much about tools, there is a massive quality difference....Taiwan produces a much better, more consistent tool.

    Weighs 22 lbs. Jaws line up perfectly. What minimal slack is in the torquing mechanism is adjustable with two allen head way screws. Powdercoat finish is even and beautiful. The black oxide jaws are heat treated to 52-58 RC, which is plenty hard.

    The handle has two grooved rubber bumper installed, which is a nice touch. The pipe jaws are replaceable and work with 1/2" to 2" pipe. If you want to work with narrower diameter pipe, I suggest a set of aluminum prism jaw inserts.

    Would purchase again, this is the best quality vise that I have ever owned, and will serve my needs. (Posted on 12/5/2014)

  7. Excellent...! Review by Wizzard0003
    Quality

    This is a top quality vise...! I'm so glad I went with the forged steel instead of the cheaper quality, it makes all the difference in the world.</br></a> (Posted on 12/3/2014)

  8. and the welder was very good. The vise holds quite well Review by ULB
    Quality

    Definitely a forged vise. There are 4 welds, and the welder was very good. The vise holds quite well, and is very strong. Mine came dry so I pulled the vise apart and greased it with some moly grease. Smooth as butter now. I have had many vise over my 50 years, but this thing is awesome, especially for the price. Mid sized 4" vise, can't go wrong. Oh and it has 2 hold down bolts and swivels 360 degrees, which many in comparison do not. It truly is a great vise especially at the price. (Posted on 11/19/2014)

  9. mmarlo Review by High Quality
    Quality

    Smooth acting and very well made. My Chinese made vice just go recycled. We had been through a lot together but I wanted something I didn't need to fight every time I wanted something clamped tight. Very good purchase. If you need a vice, you deserve one like this. (Posted on 11/6/2014)

  10. Good, Basic Bench Vise Review by Tekkie
    Quality

    I wanted a decently put together, affordable, compact bench vise. This one fit the bill. I wasn't willing to pay the high-dollar value for a high-strength iron one (i.e., $700 for a 65k PSI ductile iron vise) but also wasn't willing to buy the low-grade imports. All the vises in the box stores showed poor workmanship and were generally undesirable: sloppy lead screw (as shown by how far the handle turned before the jaw moved), poor rotating base locking mechanisms, poor mating of the static and dynamic jaws, and even cracks in the display models. If they can't stand up to sitting on the store shelf, how much use are they going to be on your bench?

    This vise has none of those issues: the jaw moves within about an 1/8 of a turn of the handle, the base locking mechanism is basic but solid, and the jaws align like they should (side-to-side and parallel). Being steel, if it's keep from rusting away and not abused, it should last longer than its owner. (Posted on 6/5/2014)


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