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In stock 801 in stock
2.95 1+ units
2.66 10+ units
2.36 100+ units

Description: This is a very large row of high quality machine pin headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Why machine pin? Machine pins are round making better contact with IC sockets and connectors.

Features:

  • Pin Style: Machine Pins (Round)
  • Number of Pins: 40
  • Pin Spacing: 0.1" (2.54 mm)

Comments 20 comments

  • Holy crap these are expensive for just 40 pins!!!! Make them cheaper!!!! or add more strips like 5 strips for the price or 10 strips for the price or a little bit more!!!

  • Can you give pin diameter (both sides)?

    Thank you.

  • I don’t know why people are whining about the price. These would be $14 a pop from the regular electronics distros.

  • Theese ones are the best for header boards, but they’re very hard to find…
    Thanks SFE for selling them!

  • How many of these strips do you get for $2.95 ?
    I’m asking because if it is just one strip, then it’s a rip-off. I can a bag of 25 of these strips for $10 somewhere else (not in USA btw).

    • The best generally cost more. And it costs more when you buy one at a time. If you want a better price buy a thousand of them else where.

      And generally things bought in third world countries are of poor quality. Even if that country makes them for export. The ones for domestic sales are the rejects.

      • Perhaps, but don’t hand wave away Sparkfun’s tendency to massively overcharge for certain things. They DO buy a thousand at a time. For example their “premium” F/F 6" headers are $4 for 10 while on Adafruit the same exact thing is 40 for $6.

        The prices are palatable when you just need one or two but if you really want to stock up on headers, interconnects, and various odds and ends then you will pay dearly here. Maybe to encourage people to buy Sparkfun exclusive stuff (breakout boards, etc…) rather than random bits, who knows.

  • I’m holding off on my next order until these are back in. I really need them to expand my home-grown dev board. Any estimate on when they will be back? Thanks!

  • Note that the machine pin size is too small to make reliable connections with breadboards and jumperwire. These need the larger square-pin header.

  • Do you know if these headers mate with these sockets?
    http://www.sparkfun.com/commerce/product_info.php?products_id=743

  • What is the best way to cut these apart? I’ve tried wire cutters and an xacto knife and I end up breaking the black casing on them. Breaking them apart with fingernails and bending them doesn’t work well either heh x.x

    • I use Craftsman’s Handi-Cut cutting sheers and this breaks them apart perfectly every time. The top part of the sheers has a straight blade and the bottom part has a flat surface, so you can actually line up the straight blade in the groove between pins and use the flat part to brace the back of the cut. I place the headers towards the tip of the sheers so the angle of the cut is low and the blade comes almost straight down on the groove, snapping them off cleanly. There are similar sheers out there but I haven’t seen any others with the blade on just one side and a flat surface on the other and this is what makes these perfect for this.

    • Have you tried using a file or serrated knife to first score along where you want to break it? An old butterknife might do the trick.
      Once you’ve scored it, use a pair of pliers to quickly twist the wanted pins off the row.
      *Note: I haven’t tried this technique on plastic, but it works well with copper-clad board

    • Well, I haven’t tried breaking these exact pins apart, but I usually find that gripping the pins on either side of the point where you want it to break and snapping works pretty well. I usually use two pairs of pliers or a vice. You want to snap them apart quickly. Dont hesitate or else the housing is more likely to shatter. If anyone else has a better way, please speak up.

      • The best way to get these apart is to use a hot knife. I bought a cheap 15W iron and a $3 hot knife tip that I use for jobs like this.

      • Hot knife sounds good, but we need a better “free” way :)
        The corner of every end pin has chipped off 100% of the time so far using pliers/cutters/etc. Luckily this doesn’t seem to affect it much - even with a 1mm gap running the complete height of the plastic, trying to separate the pin will bend it before it pops out.

      • I use pliers too… most snap nice and clean.

  • Does anyone know the diameter of the thicker post that extends below the plastic piece, but before the 0.51mm diameter post?
    I’d like to use these to make stackable PCBs, where the thicker post is embedded in the board, and the thinner post fits into the board below it.
    Thanks!

    • yes this is 2+ years late, but the thicker metal near the centre gives an average reading of 1.77mm with my cheapo digi-caliper.


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