A thumbscrew is a type of screw drive with either a tall head and ridged or
knurled ... A Phillips screw head is significantly different from a PoziDriv; see #
Sheet metal screw, hex head. Sheet metal screw, Phillips oval head. Wood
Screws Screws with a smooth shank and tapered point for use in wood.
Different types of screws have been developed to maximize efficacy for particular
applications. The various types of screws can be categorized according to ...
Here's a good guide to the different point types and uses. See more pics of thread
cutting screws here. Even more good pictures of different head types.
has a cylindrical shaft and a sharp thread that cuts its own hole, often used in sheet metal or plastic.
Countersunk: conical, with flat outer face and tapering inner face allowing it to sink into the material, very common for wood screws
Hexagonal... More »
Oct 25, 2011 ... Various washer types that are used with screws, nuts and bolts when ... There are
several different locations on a fastener where one can ...
Screws are used to fit materials such as chipboard, MDF and natural woods
together although there is a type of screw called a self-tapping screw that can be
Jan 21, 2011 ... If you've ever mistakenly grabbed the Phillips head screwdriver when you
needed a flat head, you've probably asked yourself why there are ...
Jun 15, 2009 ... To help, we prepared this guide to screw head types and drives. ... It is different
than the usual TORX Plus because it uses only a FIVE lobe ...
Types of Bolts & Screw Heads ... Slightly different head contour where supplied
with recessed head. See dotted line. FLAT HEAD: Supplied to standard ...