what is the diameter of the pins?

standard pin size .1 works flawless with the pin headers on ardunio

Can these be broken into different length sets?

They can be broken to length, but it usually requires on pin to be sacrificed because it doesn't break cleanly. I recommend using a cutting tool rather than breaking by hand though.

Are pins on female suitable for thru-hole mounting on a pcb? what are the pin dimensions?

I believe the female pins will work fine in printed circuit boards that have plated through holes, with proper soldering techniques. These connectors appear to be the standard cut to length parts that you can adjust the number of pins by using an exacto knife to separated them. Doing this however sacrifices one pin position.

What is the current rating on these? Will these be okay for 2 Amps?

I doubt they can handle more than a breadboard - 500 mA.

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⚡ Connect like a pro — never miss a pin!

FULL CONNECTIVITY - 40-pin count maximizes your prototyping potential
BULK PACK ADVANTAGE - 20 pieces to keep your projects moving without pause
COMPACT LIGHTWEIGHT - Slim 0.1cm profile fits effortlessly into tight builds
PRECISION ENGINEERING - 2.54mm pitch ensures seamless Arduino shield compatibility
DUAL GENDER FLEXIBILITY - Includes both male and female headers for ultimate versatility

This 20-piece set of 2.54mm pitch, 40-pin male and female header connectors from OCR is designed for Arduino shield projects, offering precise, reliable connections in a compact, lightweight form factor. Ideal for engineers and makers who demand flexibility and bulk supply for rapid prototyping.

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Brand	OCR
Manufacturer	Ocrtechci
Model number	dz-pz-01
Colour	Male and Female Header --20PCS
Number of Memory Sticks	20
Item Weight	90.7 g
Product Dimensions	10.3 x 1.1 x 0.1 cm; 90.72 g
Item model number	dz-pz-01
Item Height	0.1 Centimeters
Item Width	1.1 Centimeters
Are batteries included?	No

20PCS 2.54mm Breakaway PCB Board 40Pin Male and Female Header Connector for Arduino Shield

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