Quangsheng 2" Cap Iron

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2in (50mm) Quangsheng Cap Iron (chipbreaker) to fit No.4 and No.5 bench planes. Supplied complete with cap iron screw to accommodate blades up to 3mm thick.

When trying to improve the performance of bench planes, the chipbreaker is usually the best place to start. This thick, low profile cap iron greatly improves stiffness and reduces vibration compared with the traditional pressed steel design.

Please note that we are unable to ship Quangsheng products to North America due to retail exclusivity restrictions.

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  • 5
    Can't believe the difference its made!

    Posted by Antny on 14th Jan 2022

    Ordered this with a thicker iron for a Stanley No5. Didn't arrive with the other part of the order! However, when i was able to eventually get through to Work Shop Heaven they sent it straight out. Straight out of the packaging I put the Ray Isle blade together with this cap iron. No fettling or sharpening and already seeing an unbelievable difference. The plane feels stiffer and yet more responsive. Will be upgrading all my planes as money allows. Truly amazed at the difference. My No5 is about WW2 era and required no mouth alteration.

  • 4
    Worth the money

    Posted by Pat on 21st Dec 2021

    I was a bit surprised as to how soft the metal is after a little flattening it was hard to get rid of the burr even with 6000 , anyway it mated well with the Iron in the end , worth the money a good investment . Admin: Cap irons need to be soft so that they absorb vibration, a polishing mop is the easiest way to remove the flap at the edge.

  • 5
    Nice improvement on original

    Posted by David on 11th Apr 2018

    Replaced the cap iron on an old Stanley No. 4 I'm fixing up and I'm really happy with how solid the plane feels now, when taking a shaving. Tempted to buy the thicker blade as well but so far it's doing a lovely job with the standard iron. Very happy with the price and how it's improved the plane.

  • 5
    Just the ticket,does what it says on the label

    Posted by Guest on 11th Sep 2015

    Just the ticket,does what it says on the label

  • 5
    Worthy upgrade but not perfect

    Posted by David F on 1st Jul 2015

    I have bought several of these cap irons to help improve the quality of shavings on my Stanley planes. They are by no means perfect, they will need some fettling to ensure they mate properly with the iron, although this is easily done on a diamond plate. That said, it does improve performance.

  • 5
    Good product and service

    Posted by Godfrey Moore on 3rd Dec 2014

    The Quangsheng cap iron is of very good quality and is one of the best designs I have seen. The item was well packed and delivered very quickly.

  • 4
    Great upgrade

    Posted by Mike H on 12th Sep 2014

    I have used a couple of these (along with the QS blades) to replace the worn out ones on my Stanley Bailey 4 and 5. They are great quality, one cap iron took some work to get a flush fit to the blade but at this price it was no major flaw. The improvement in cut / reduction in chatter is noticeable.