SCREW TYPES . Basic Types of Wood Screws . Wood screws are classified by the type of drive, the shape of head , its length, and whether it is designed for wood or metal; this page refers to wood screws only. Types of Drives. Driver refers to the indented shape on the screw head used to turn the screw . There are many different types of drives. Socket Head Cap Screws 1960 Series Stainless Steel Socket Head Cap Screws Low Head Series Shoulder Screws Flat Head Socket Screws Alloy/ Stainless Button Head Cap Screws Alloy/ Stainless Use in parts too thin for standard height heads and where clear-ance is limited Tool and die industry standards; also replace costly special parts- 15 Types of Screws and Screw Heads ( Ultimate Chart – screw head types chart By Posted on October 6, 2018 15 Types of Screws and Screw Heads ( Ultimate Chart - screw head types chart

Common Head Types for the Above Screws (and 3 machine screws ) Slotted, Phillips and Square drives: The main drawback of slotted heads is that power driven screw drivers easily cam out. Phillips heads address this problem to a certain extent, but these were actually designed to cause the bit to cam out at a certain point to prevent over-tightening. 36 Types of Screws and Screw Heads (Ultimate Chart Guide ) Nuts herec Machine Tools Workshop Storage Workshop Ideas Screws And herehereanizing Woodworking Shop Woodworking Ideas ANSI Hardware Design Guide and Charts . Hardware Supplier Manufacturers . Illustrative Bolts Screw Type Guide Illustrative guide with descriptions to screw and bolt types . Shoulder Screw Socket Head Socket Head Shoulder Screws size chart per. ASME B18.3 ; Dimension and Tolerances Table for T-Slots,

Machine screws are fully threaded for use with a nut or in a tapped hole. Certain types are some-times referred to as stove bolts. Socket screws are machine screws with an internal hex socket (Allen) drive. Longer lengths may have a smooth shank. Lag bolts, or lag screws , are large wood screws with hex heads . Typically used for wood The length of the following types of fasteners are measured from the underside of the head to the point of the screw : The length of the following types of fasteners are measured from the top of the head to the point of the screw : Measurement to the point of the screw Measurement to the point of the screw SCREW SIZE TYPE IDENTIFICATION INFORMATION