13:45
What kind of screw should I use? Woodworking Basics
6:50
Bolt Head Markings: What do they mean? | Fasteners 101
17:12
Fábrica de produção em massa de parafusos e porcas sextavados. Fábrica de aço na Coreia do Sul.
13:27
What are the Different Types of Screws & When To Use Them!!
5:27
6 TYPES OF SCREWS Every DIYer Needs To Have! (Plus Which Screws NOT TO BUY!)
4:08
Thread Anatomy- (In less than 5 min!)
20:23
Strongest Bolt? Grades Explained & Dyno Tested For Science
20:49