Yes. d is the symbol for a British pence, which is like an American penny. I'll answer the question you didn't ask: why do they use pennies as the unit of measure of nails? Many years ago nails were sold loose, and they were counted out rather than being weighed. The number of pence, or cents, 100 nails in that size would cost you many, many years ago determined the "penny" size. If 100 3-1/2" nails cost 16 pence, they were considered "16 penny" nails. (This also meant there weren't standard nail sizes--if Tom's Hardware charges 16d for 100 3" nails, and Dick's wants 16d for four inch nails. you'd have to go to Tom's for all your nail needs.)
Roofing nails have large, flat heads to hold down shingles, andtypically have a rough, galvanized coating. Standard box nails have smaller heads that are also flat, and the sizes are specifiedby penny - 4-penny nails are small, like what might be used to put a birdhouse together, 16-penny nails are the big ones commonly used for framing walls, etc.
Many different size nails have 'ribs' on them.They are to make it harder for the nail to be pulled out.A 'spiral' ( ardox ) nail is even harder to pull out.
28dg clipped head 2.5-3inch 8-10-16 penny
copper penny nails
8p nails or 8 penny nails, more properly written as 8d nails, are nails that are 2.5 inches (65 mm) long. The unit of measure , the penny, derives from the cost of 100 nails in 15th century England. This way of describing nails is no longer in use in England and survives only in the US.
Because they said so
To attach 2x4s and 2x6 lumber, 16 penny 3" length are very common. 8# and 10# nails are also used with various configurations. Structural screws are much more expensive but are used more in recent years.ANS 2 - Virtually every builder/framer now uses airnailers and the common size is a strip of 28 degree angled 3 " nails. - I haven't seen anyone use a '16 penny nail' in almost 15 years !
kinetic energy.
Normally. 16d box nail. Box means it has a head. Could be 16 Common which has a thicker shaft than a box nail.
A framing hammer is used in building the frame of a house. It has a longer handle and a heavier head for driving the 16 penny nails used to nail the structure together.
There are or should be 170.