By Standard Number; 1926.251 - Rigging equipment for material handling. Part Number:1926; formed from bolts, rods, etc., or other such attachments, shall not be used. Employers must use natural- and synthetic-fiber rope slings that have permanently affixed and legible identification markings that state the rated capacity for the type(s
Threaded fasteners and rivets are identified by Air Force-Navy (AN), National Aircraft Standard (NAS), and Military Standard (MS) numbers. Quick release fasteners are identified by factory trade names and size designations. The illustration below, depicts typical and common aircraft ( AN and NAS ) type bolts and their identifying markings. British Bolt Head Markingsbsa spoke kits . bsa 1959 to 66 500 & 650 twins front drum hub; bsa 1967 to 70 650 & a75 front drum hub; bsa 1971 to 1973 a65, a70, a75 & b50gs front drum
Identification Marking Compatible Nuts Min. Max. SAE J429-Grade 1 Low or medium carbon steel 1/4 - 1-1/2 60,000 B70 B100 36,000 ASTM A563 Grade A or SAE J429-Grade 2 SAE J995 Grade 2 Hex 1/4 - 3/4 (4) 74,000 B80 B100 57,000 7/8 - 1-1/2 60,000 B70 B100 36,000 ASTM A307- Grade A Low or medium carbon steel 1/4 - 4 60,000 B69 B100 How to Identify Grade 8 Bolts DoItYourselfLook for Bolt Markings If you do not have a magnet you can still identify Grade 8 bolts by brushing the head of the bolt using a wire brush and counting its radial lines. There are six radial lines on the heads of Grade 8 bolts. Length is measured from under the head.
The bolts that are not attracted to the magnet are Grade 8 bolts. Look for Bolt Markings. If you do not have a magnet you can still identify Grade 8 bolts by brushing the head of the bolt using a wire brush and counting its radial lines. There are six radial lines on the heads of Grade 8 Identification Marks for Hex and Heavy Hex NutsTitle:Identification Marks for Hex and Heavy Hex Nuts Author:Fastener Mart Created Date:8/12/2006 10:47:21 PM
Common METRIC Steel Bolts Identification Mark 4.6 X* 5.8 X* 8.8 X* 10.9 X* or 12.9 1 2.9 M X* Product Specification Class 4.6 Class 5.8 Class 8.8 Class 10.9 Class 12.9 Socket Head Cap Screw Material Low/Medium Carbon Steel Low/Medium Carbon Steel Heat Treated Medium Carbon Steel Heat Treated Alloy Steel Heat Treated Alloy Steel Heat Treated Tensile Strength Minimum 400 MPa Part markings. (check here first) - M1 FAMILYFeb 24, 2011 · -Standard Products:Right Lug, Marked:"S" with numbers.-NPM:Left Lug, Marked:"UN-N" "N" with increasing numbers.-I.B.M.:Right Lug, Marked:"SB" "AOB"-Type III (Round Bolt)-Inland:Left Lug, Marked:"OI" "SI" "AI, with numbers"-Winchester:Right Lug, Marked:"W" -Underwood:Right Lug, Marked:".U." "WU" "CU" "SU"
GRADE IDENTIFICATION MARKINGS - INCH STEEL BOLTS Grade Marking Specification / Description Material Nominal Size inches Proof Load psi Tensile Strength min psi Yield Strength min psi Rockwell Hardness min max A325 ASTM A325 Type 1 High strength structural bolts Medium carbon steel, quenched & tempered 1/2 - 1 1 1/8 - 1 1/2 85000 74000 120000 105000 92000 81000 C24 Stud Bolt - A complete Guide of Pipe FastenersMarking requirements for stud & bolt are specified in ASTM material Standard A193 and A320. Marking to be done at the ends of the stud or on the bolt head. Due to limited space only, the Manufacturers identification mark & Material Grade / Class are marked on stud and bolt.
DIN 6921 Hex Flange Bolt (Non-Serrated) 10.9 Grade Yellow Zinc Plated; Japanese Industrial Standard (JIS) Hex Fasteners. JIS B1180-8.8 Small Head Zinc Plated; JIS B1189-10.9 Small Head Hex Flange Zinc Plated; DIN 910 Hexagon Head Pipe Plug. Cylindrical Thread; Close; Socket Head Fasteners. DIN 912 / ISO 4762 Socket Head Cap Screws. 8.8 Grade Bare Steel/Zinc PlatedHex Bolt Identification, Markings and Strength Chart Table 38 rows · Hex Bolt Identification, Markings and Strength Chart Table Guide. Hex Bolt