bolt grade markings and strength chart
Bolt Depot - Bolt Grade Markings and Strength Chart 2 of 2 boltdepot/fastener-information/Materials-and-Grades/ Class 10.9 Alloy Steel, Quenched and Tempered 10.9 5mm 100mm 830 940 1040 1.6mm 100mm 970 1100 1220 210 Min. 450 Typical 500 Min. 700 Typical Class 12.9 Alloy Steel, Quenched and Tempered 12.9 Stainless markings vary. Bolt Depot - Bolt InformationBolt Grade Markings and Strength Chart:US. Bolt Head/Wrench Size; Recommended Bolt Torque; Standard Thread Length for Bolts; Threads Per Inch Table (Coarse and Fine) US Bolt Diameter and Thread Chart Our printable 'lay-over' sizing chart for identifying US bolt diameter and thread count.
Grade BB Bolts, Studs Alloy Steel, Quenched and Tempered 1/4 thru 2-1/22-3/4 thru 4 80,000 75,000 83,000 78,000 105,000 100,000 ASTM A354 Grade BC 105,000 95,000 109,000 99,000 125,000 115,000 SAE J429 Grade 7 Bolts, Screws Medium Carbon Alloy Steel, Quenched and Tempered4 1/4 thru 1-1/2 105,000 115,000 133,000 SAE J429 Grade 8 Bolts, Screws, Studs Medium Carbon Fastener Reference Guides & Technical Information - AFT Bolt Grade Markings & Strength Chart. Helps to identify grades of bolts along with proving proof load, tensile strength, yield strength and hardness. Threads Per Inch Chart. Provides threads per inch on standard inch coarse and fine thread fasteners. Metric Thread Pitch Chart. Provides thread pitch for metric fasteners including coarse and fine Fasteners Bolt Grades, Strength & MaterialsBolt Grades & Head Markings:Head markings on a bolt are a quick way to determine bolt grade. Some bolts will have additional markings that indicate the manufacturer; the most prized bolts have clean heads with limited markings. Grade 2 / Grade A. Grade A and Grade 2 are the most common grades of zinc plated alloy steel.
Since our founding in 1969, K-T Bolt Manufacturing Company, Inc. has built a reputation for total customer commitment while recognizing the requirement to provide quality products, prompt delivery and competitive pricing. We continually seek to expand our product line and production capability to service our customers needs. Metric Bolts Grades - Bolts & Screws & Other FastenersCommon 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 Stainless Steel Stud Bolt and Nut Size Chart SS Stud Bolt Grade Markings and Strength Chart. US Bolts:Head Marking Grade and Material Nominal Size Range (inches) Mechanical Properties; Proof Load (psi) Min. Yield Strength (psi) Min. Tensile Strength (psi) No Markings:Grade 2 Low or medium carbon steel:1/4" thru 3/4" 55,000:
Grade Marking Specification Material and Treatment Nominal Size (In.) Mechanical Properties Hardness Rockwell; Proof Load Min (ksi) Yield Strength Min (ksi) Tensile Strength Min (ksi) Elong % Min RA % Min Min Max; SAE J429 Grade 1:Low or Medium Carbon Steel:1 4" - 1 1 2 " 33:36:60:18:35:B70:B100:A307 Grade A:Low or Medium Carbon Steel:1 4" - 4"--60:18- What size is a 8.8 Bolt?Jun 23, 2020 · Bolt Grade Markings and Strength Chart Grade and Material Nominal Size Range (inches) Class 8.8 Medium carbon steel, quenched and tempered 16mm - 72mm Class 10.9 Alloy steel, quenched and tempered 5mm - 100mm Class 12.9 Alloy steel, quenched and tempered 1.6mm - 100mmBolt grades and markings - intafastStainless markings vary. A2-50 Stainless Steel alloy with 17-19% chromium and 8-13% 1/2" thru 85,000 92,000 120,000 nickel 1-1/2" Stainless markings vary. A2-70 Stainless Steel alloy with 17-19% All Sizes 20,000 65,000 Min. thru 1" Min. 100,000-chromium and 8-13% nickel 65,000 150,000 Typical Typical ' Stainless markings vary. A4-80 Stainless