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Steel Bolt

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steel bolt
What coefficient of friction should I use for contact between a bolt and a steel plate?

Appropriate coefficient for steel on steel.
Nb: Bolt experiences a huge force of about 4000N.
Thanks:-)

This site should give you the answer

http://www.roymech.co.uk/Useful_Tables/Tribology/co_of_frict.htm


Stanley Classic Lunchbox Cooler & Bottle Combo


Stanley Classic Lunchbox Cooler & Bottle Combo


$44.98


All Stanley “Classic” line products are built to withstand a beating, from job site to camp site, and come in the iconic hammertone green color. Every Classic product is also BPA-free and comes with a lifetime warranty. The Lunchbox Cooler and Bottle Combo is the ultimate pairing for serious lunches on the go. Stanley’s ever-popular Vacuum Bottle snaps into the ruggedly durable Stanley Cooler, wh…

Stanley Classic Stainless Steel Vacuum Bottle


Stanley Classic Stainless Steel Vacuum Bottle


$49.95


The ultimate in durability, the Stanley Classic Stainless Steel Vacuum Bottle features double wall stainless steel unbreakable vacuum insulation will keep coffee hot all day long, day after day. The Classic Vacuum Bottle has a double wall stainless steel lid that doubles as a drinking cup, easy pour stopper, heavy duty handle and rust-proof finish…..

Walker Edison Regal 4-in-1 TV Stand w. Mount - Wood


Walker Edison Regal 4-in-1 TV Stand w. Mount – Wood



This luxurious 4-in-1 TV stand with removable mount features a modern design with spacious shelving, providing ample room for all AV components and TV’s up to 52 in. Powder coated steel frame, thick beveled tempered safety glass, and solid hardwood front add to the distinctive look while offering a sturdy and unique design….


Uncorrupted Steel


Uncorrupted Steel


$2.94


18-track Metal Blade compilation featuring songs from Cannibal Corpse, The Crown, Vehemence, Cattle Decapitation, Bludgeon, Beyond The Embrace, The Fallen, Life In A Burn Clinic, Lamb Of God & more….

Old Dogs


Old Dogs


$1.99



Resident Evil: Apocalypse (Blu-ray Steelbook + Bonus Disc) [Blu-ray]


Resident Evil: Apocalypse (Blu-ray Steelbook + Bonus Disc) [Blu-ray]


$18.00


This special edition Blu-ray includes Steelbook packaging plus a bonus disc featuring a pulse-pounding recap of the previous films as well as a sneak peek at Resident Evil: Afterlife!
After narrowly escaping the horrors of the underground Hive facility, Alice (Milla Jovovich) is quickly thrust back into a war raging above ground between the living and the Undead. It’s a heart-pounding race against…

Resident Evil (Blu-ray Steelbook + Bonus Disc) [Blu-ray]


Resident Evil (Blu-ray Steelbook + Bonus Disc) [Blu-ray]


$18.00


This special edition Blu-ray includes Steelbook packaging plus a bonus disc featuring a pulse-pounding recap of the previous films as well as a sneak peek at Resident Evil: Afterlife!
A team of paramilitary commandos must battle flesh-eating undead, killer mutant dogs and a supercomputer’s deadly defenses before an unleashed virus consumes humanity in this adaptation of the hit video game series!

10 Feather Razor Blades NEW Hi-stainless Double Edge


10 Feather Razor Blades NEW Hi-stainless Double Edge


$6.00


Feather Hi-Stainless Blades are renowned for being the sharpest double edge razor blades on the market. These blades feature a platinum coating for enhanced comfort and will fit most traditional double edge razors. Made in Japan, the platinum coated Feather is exceptionally sharp but will reward you with the closest shave….

Ear Wax Cleaner by Dovo


Ear Wax Cleaner by Dovo


$5.00


You waxy beast! Got wax? Get rid of it safely with our quality Ear Wax Cleaner by Dovo. Q Tips are for ladies. Our ear wax cleaner gently and safely spoons out your ear wax. Lightweight. Inexpensive. Re-useable. In assorted colors…but we choose the color for you based on our stock (sorry). Made in Germany by Dovo of Solligen….

Tall-Ette Extra Wide Toilet Seat with Arms and Legs


Tall-Ette Extra Wide Toilet Seat with Arms and Legs



The Extra Wide Tall-Ette allows safer transfers and fits larger persons with its wider seat and elevated arms. The extra width and built in handles allow independent use by persons in a wheelchair. All Extra Wide Tall-Ettes adds 4″ to the bowl height and may eliminate the need for a commode or separate toilet seat frame. The seating area is contoured for greater comfort. Wide spaced arms (18″)…


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