Wide Selection of Fasteners & Hardware Available In Inch/Imperial & Metric Sizes, Made In USA & Import, Small Pack & Bulk Pack Helping Equip Your Business A Million Different Ways Over 1 Million Products Available Online Popular Items & Brands In Stock
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Wide Selection of Fasteners & Hardware...ANCHORS Adhesive Anchors Drive Anchors Drop In Anchors Expansion Anchors Machine Screw Anchors Nail Anchors Plastic Anchors Pre-Expanded Anchors
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Wide Selection of Fasteners & HardwareAvailable In Inch/Imperial & Metric Sizes, Made In USA & Import, Small Pack & Bulk Pack
Helping Equip Your Business A Million Different WaysOver 1 Million Products Available Online
Popular Items & Brands In Stock
Grade Designation
Nominal Size of Product in. Material and Treatment
Mechanical Requirements
Grade Identification MarkingProof
Load Stress ksi
Yield Strength ksi Min
Tensile Strength ksi Min
Product, Hardness, Rockwell
Surface Max
Core
Min Max
ASTM A307 Gr. A
1/4 to 4
low or medium carbon steel
–– –– 60 –– B69 B100 307A
ASTM A307 Gr. B 1/4 to 4 –– –– 60 min 100
max –– B69 B95 307B
SAE Gr. 1 1/4 to 1-1/2 33 36 60 –– B70 B100 None specified
SAE Gr. 2 1/4 to 3/4 low of medium carbon steel, cold worked 55 57 74 –– B80 B100 None specified
SAE Gr. 5 1/4 to 1 1-1/8 to
1-1/2
medium carbon steel; the product is quenched
and tempered
8574
9281
120105
30N54 30N50
C25C19
C34C30
ASTM A449 Type 1
1/4 to 1 1-1/8
to 1-1/2 1-3/4 to 3
85 74 55
928158
12010590
––C25C19B91
C34C30
B100
ASTM A325 Type 1
1/2 to 1 1-1/8 to
1-1/2
8574
9281
120105 –– C24
C19C35C31 A325
SAE Gr. 5.2 1/4 to 1 low carbon boron steel; the product is quenched
and tempered
85 92 120 30N56 C26 C36
ASTM A449 Type 2 1/4 to 1 85 92 120 –– C25 C34
ASTM A325 Type 3
1/2 to 1 atmospheric corrosion resistant steel;
the product is quenched and tempered
85 92 120 –– C24 C35A325
1-1/8 to 1-1/2 74 81 105 –– C19 C31
SAE Gr. 8 1/4 to 1-1/2
medium carbon alloy steel; the product is quenched
and tempered
120 130 150 30N58.6 C33 C39
ASTM A354 Gr. BD
1/4 to 2-1/2 120 130 150 –– C33 C39BD
2-3/4 to 4 105 115 140 –– C31 C38
ASTM A490 Type 1 1/2 to 1-1/2 120 130 150 min
170 max –– C33 C38 A490
SAE Gr. 8.2 1/4 to 1low carbon boron steel; the product is quenched
and tempered120 130 150 30N58.6 C33 C39
ASTM A490 Type 3 1/2 to 1-1/2
atmospheric corrosion resistant steel; the product is quenched and tempered
120 130 150 min 170 max –– C33 C38 A490
ASTM A5740.060 to 1/2 fine grain alloy steel
product is quenched and tempered
140 –– 180 –– C39 C45None Specified
Over 1/2 135 –– 170 –– C37 CC45
Grade Markings For Steel Bolts & Screws
Information presented is for general reference and informational purposes only. Information presented is believed to be accurate at the time of document creation. However Global Industrial is not responsible for any claim traceable to any errors (typo or otherwise) as contained herein. Global Industrial makes no warranties as to the accuracy of this information found in public circulation.
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HI LOWS
Flat HeadFlat Undercut HeadIndented Hex WasherPan HeadTruss Head
RETAINING RINGS
E RingsExternal & Internal Retaining Rings
MILITARY FASTENERS
Phillips Flat Head Military FastenersMilitary Hex Head Cap & Machine ScrewsMilitary WashersPhillips Pan Head Military FastenersMilitary Socket Head Cap Screws
THREADED INSERTS
Brass FinsertsCoil Thread Repair KitsConcrete InsertsDrive Tools for Threaded InsertsHelical Threaded InsertsPress InsertsScrew Threaded InsertsThread Repair KitsThreaded Insert KitsThreaded Inserts For Metal - Carbon SteelThreaded Inserts For Metal - Stainless SteelThreaded Inserts For WoodUltrasonic Straight & Tapered Threaded Inserts
Button Head Socket Cap ScrewsCone Point Socket Set ScrewsCup Point Socket Set ScrewsFlat Head Socket Cap ScrewsFlat Point Socket Set ScrewsHalf Dog Point Socket Set ScrewsLow Head Socket Cap ScrewsOval Point Socket Set ScrewsSocket Head Cap ScrewsSocket Head Shoulder ScrewsSocket Pipe Plugs
PANEL FASTENERS
Retractable Captive Panel Fastener Press In StyleRetractable Captive Panel Fastener Flare In Style