RADIUS Under Head 0.1 0.1 0.1 0.1 0.2 0.2 0.25 0.4 0.4 0.6 0.6 06. 0.6 0.8 0.8 0.8 1 1 1 1 - 1.2 - 1.6 Notes concerning our line of # 912 Socket Head Cap Screws : 1: Availability of Fine Thread:To meet the increasing demand for fine thread socket head cap screws , we have added many sizes (from M8 x 1 through M20 x 1.5) to our standard product line. Inch Series Flat Socket Head Cap Screws Nominal Size Basic Screw Diameter D Body Diameter Min. Max. A Head Diameter Max. Theo- Absolute retical Sharp Min. H Head Height Ref. Flushness Tolerance M Spline Socket Size Nom. J Hexagon Socket Size Nom. UNBRAKO socket cap screws offer resistance to a greater degree than any other threaded fasteners you can purchase “off-the-shelf.” TENSILE STRENGTH U.S. standard alloy steel socket head cap screws are made to strength levels of 180,000 and 170,000 psi to current industry standards. However, UNBRAKO socket cap screws are consis-

SOCKET HEAD CAP SCREWS Metric Body and Grip Lengths. BODY and GRIP LENGTHS. LENGTH LB LG. 39 LG is the maximum grip length and is the distance from . BODY AND GRIP LENGTH DIMENSIONS FOR METRIC SOCKET HEAD CAP SCREWS . SOCKET HEAD CAP SCREWS (METRIC SERIES) PER ASME/ANSI B18.3.1M-1986. Socket Head Cap Screws 5-1 Button Head and Flat Head Socket Cap Screws 5-2 Socket Set Screws 5-3 Hexagon Keys and Bits 5-4 Socket Head Shoulder Screws , Dowel Pins, and Slotted Set Screws 5-5 Square Head Set Screws and Socket Pipe Plugs 5-6 Physical Properties of Sockets 5-6 Point Terminology 5-7 Flange 12-Point Screws 5-8 to 5-9 METRIC SOCKET FLAT HEAD CAP SCREWS Dimensions NOTES 1. Material: ASTM F835M 2. button head cap screws are designed heremend-ed for moderate fastening applications: machine guards, hinges, covers, etc. They are not suggested for use in critical high strength applications where socket head cap screws should be used.

Metric socket head cap screws DIN 912 BS 4168 ISO 4762 Materials and Finishes Steel 12.9/Self colour Stainless steel/Self colour All data is correct to the best of our knowledge, however TR cannot be held responsible for any errors or omissions Dimensions d M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M36 M42 Max D 1A Dimensions of Hexagon and Spline Socket Head Cap Screws ... 3 1B-1 Dimensions of Under Head Fillets for Socket Head Cap Screws Threaded to the Head ... 6 1B-2 Dimensions of Under Head Fillets for Socket Head Cap Screws With an . counterbore sizes for socket head cap screws (1960 Series), and gages and gaging for spline sockets. alloy socket head cap screws, inch series barnhill product categories: 502-, 540- . mechanical properties of alloy socket cap screws nominal size tensile strength [lbs.] tensile yield strength [lbs.] strength psi min yield . hex socket size head diameter head height body diameter key engage-

See examples below: 6-32 x 3/4 Hexagon Socket Head Cap Screw , Alloy Steel .138 – 32 x .75 Spline Socket Head Cap Screws , Alloy Steel, Cadmium Plated. 1. The tabulate LG values are maximum and represent the minimum design grip length of the screw .