• Galvanized vs. Stainless for embedding in concrete

    We have a process where we grind off the anchor bolts, drill new holes in the existing concrete base and use a structural grade epoxy (Hilti HY150max) to secure the new anchor bolts to mount the pole too. My question has to do with the type of anchor bolts we should use. All of the pole manufactures ship us Galvanized anchor bolts.

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  • How to Choose Anchor Bolts: The Complete Buyer's Guide

    The strongest and deepest set anchor bolts with the largest diameters should be used for loads fastened to concrete overhead. Overhead Loads Consideration #1: Tension Since the load is being held in place to the concrete, the tension weight is directly downward, putting a strain on the anchor bolts in this way.

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  • 30763 steelwise materials

    Most rounds are ASTM A53 Grade B pipe or round ASTM ferences between bolts used in steel-to-steel connections and those used in anchoring steel-to-concrete. The

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  • Steel Anchor Bolts | Steel Building Foundation Options

    The concrete engineer determines the length of the anchor bolts used. (In general, industry standards say the length of the anchor bolt should be at least 20 times the diameter of the bolt.) Be advised that not all metal building companies supply a foundation anchor bolt plan with their packages.

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  • The Facts about Foundation Anchor Bolts

    The American Institute of Steel Construction (AISC) recommends in their manual that L- and J-bolts not be used ‘when calculated tension exists’.” Portland, Ore.-based Portland Bolt & Manufacturing is a specialty manufacturer able to make almost any size/grade/configuration of anchor bolt.

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  • Standard Specification for Anchor Bolts, Steel, 36, 55, and

    6.4 Weldability—Grade 36 anchor bolts are considered weldable. See Note 2.At the manufacturer’s option, a weldable Grade 55 may be supplied when Grade 36 is specified. (Weldable steel for Grade 55 is provided for in Supplementary Requirement S1.) See 17.1.1. 6.5 Bending: 6.5.1 When required, bending may be performed by hot- or

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  • Fasteners | Bolt Grades, Strength & Materials

    So, with a grade 8, this falls under the SAE J429. You can look that up to go over on google. Just google that and you''ll find all the information in reference to the treatment of a grade 8 bolt. A grade 5 bolt falls under ASTM 574. A grade A325 falls under ASTM specifications also and you can look those up on google to get further information.

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  • Grades of Bolts

    Bolt Grade Markings. The most common grading system used for bolts in the U.S. is the SAE system, but you can find metric grading systems as well. There are several grades of bolts but the three common grades for SAE are 2, 5 and 8. The common class (grades) for metric are 5.8, 8.8, 10.9 and 12.9. Each grade has a specific bolt strength.

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  • Standard Specification for Anchor Bolts, Steel, 36, 55, and

    2A anchor bolts with Class 2A threads A When Grade 36 is specified, a weldable Grade 55 may be furnished at the supplier’s option. 4.2 Weldable steel for Grade 55 is provided for in Supple-mentary Requirement SI. 5. Ordering Information 5.1 Orders for anchor bolts should include the following information:

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  • Foundation Bolts: Types and Applications | ITA Blog

    Bent Foundation Bolt. These bolts feature a signature bend on one end and can be set in either concrete or stone beds. The bolts are initially set in lead and then the whole assembly is set in concrete for improved hold. To secure the base of the machines in place, an industry-grade screw is used. The bend on the lower end results in a firmer grip.

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  • Aerospace Bolts | Military Bolts | NAS Bolt Products

    NAS bolts comply with the National Aerospace Standard and are commonly used for high technology systems. NAS bolts are necessary for high strength applications and consist of a fine-threaded, dimple headed hex bolt. Material markings for NAS bolts are the same as AN bolt, except they may be either raised or recessed.

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  • F1554 Anchor Bolts | Concrete Anchors | Atlantic Bolt Inc.

    It was established to clarify material properties for anchor rods used in concrete. Prior to it’s creation, concrete anchor bolts were most commonly specified using the generic round bar specification A36 or the headed hex bolt specification A307. The F1554 specification also qualifies two grades in addition to grade 36, grade 55 & grade 105.

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  • List of 20 Different Types of Nuts & Bolts [with PDF Download]

    The rag bolt, shown in Fig. is used for fixing into the stone concrete foundation, the head is wider at the bottom than at the top, and is led into a tapered hole. The tapered head is cut in an uneven manner (jagged) and moulted lead or sulfur is poured into the taper hole to fill the space between the lead and the stone or the concrete as the

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  • Steel Anchor Bolts | Steel Building Foundation Options

    The concrete engineer determines the length of the anchor bolts used. (In general, industry standards say the length of the anchor bolt should be at least 20 times the diameter of the bolt.) Be advised that not all metal building companies supply a foundation anchor bolt plan with their packages.

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  • L-Shaped Anchor Bolts Distributor- Bent

    L-Shaped anchor bolts are embedded in concrete and used to support structural steel columns, light poles, highway signs, heavy equipment, and many other applications. The hook portion of the anchor bolt serves to create resistance so that the bolt does not pull out of the concrete foundation when force is applied.

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  • Standard Specification for Anchor Bolts, Steel, 36, 55, and

    6.4 Weldability—Grade 36 anchor bolts are considered weldable. See Note 2.At the manufacturer’s option, a weldable Grade 55 may be supplied when Grade 36 is specified. (Weldable steel for Grade 55 is provided for in Supplementary Requirement S1.) See 17.1.1. 6.5 Bending: 6.5.1 When required, bending may be performed by hot- or

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  • Grade Identification Markings for Nuts

    ASTM A563 Grade and ANSI Style Nut Grade Surface Nominal Suitable Substitution (D) of Bolt (A) Finish (B) Size (In.) Recommended (C) Heavy Hex ASTM A307 Plain & 1/4 to 1-1/2 Grade A Hex Nut A, C, DH Grade A Zinc Coated over 1-1/2 to 2 Grade A Heavy Hex Nut C, DH over 2 to 4 Grade A Heavy Hex Nut C, DH

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  • Anchor bolts repair and replacement | Anchor bolts grouting

    New installations and repairs should use: • High strength bolts satisfying ASTM spec A-193, with 105,000 psi tensile yield. • Nuts should satisfy ASTM spec A-194. • Super Nuts ™. • Hardened steel spherical washers should be used to compensate for any lack of perpendicularity between the bolt and frame. • Bolt threads should be

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  • Grade Identification Markings for Nuts

    ASTM A563 Grade and ANSI Style Nut Grade Surface Nominal Suitable Substitution (D) of Bolt (A) Finish (B) Size (In.) Recommended (C) Heavy Hex ASTM A307 Plain & 1/4 to 1-1/2 Grade A Hex Nut A, C, DH Grade A Zinc Coated over 1-1/2 to 2 Grade A Heavy Hex Nut C, DH over 2 to 4 Grade A Heavy Hex Nut C, DH

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  • Grades

    The bolts are color coded at the end that will project from the concrete to easily identify the grade used in the field (Grade 36: Blue, Grade 55: Yellow, Grade 105: Red). Permanent stamping with grade symbol and manufacturer’s identifier instead of color coding is a supplementary requirement.

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  • 40Cr SAG Mill Liner Grade 10.9 Sealing Ring Bolts Screws

    EB 40Cr 8.8 Grade Cement Mill Bolt M30 are widely used for Mechanical Equipment, Construction, Medical Equipment, Chemical industries.EB 40Cr 8.8 Grade Cement Mill Bolt M30 can be customized as per customers'' requirements on different diameters and lengths. EB 40Cr 8.8 Grade Cement Mill Bolt M30 have been exported to 60+ countries.

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  • Fasteners | Bolt Grades, Strength & Materials

    So, with a grade 8, this falls under the SAE J429. You can look that up to go over on google. Just google that and you''ll find all the information in reference to the treatment of a grade 8 bolt. A grade 5 bolt falls under ASTM 574. A grade A325 falls under ASTM specifications also and you can look those up on google to get further information.

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  • Anchor Bolts: Types and Uses

    Anchor bolts are designed to attach structural elements to concrete. In our industry, anchor bolts are typically used to attach steel to concrete. One end is embedded into the concrete, while the opposite end is threaded to attach structural support. There are four main types of anchor bolts: L-shaped, double end rods with plate, headed, and

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  • BOLTED CONNECTIONS – I

    example, grade 4.6 bolt will have a minimum ultimate strength 40 kgf/mm2 (392 Mpa) and minimum yield strength of 0.6 times 40, which is 24 kgf/mm2 (235 Mpa). Black bolts are unfinished and are made of mild steel and are usually of Grade 4.6. Black bolts have adequate strength and ductility when used properly; but while tightening the

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  • Fasteners | Bolt Grades, Strength & Materials

    So, with a grade 8, this falls under the SAE J429. You can look that up to go over on google. Just google that and you''ll find all the information in reference to the treatment of a grade 8 bolt. A grade 5 bolt falls under ASTM 574. A grade A325 falls under ASTM specifications also and you can look those up on google to get further information.

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  • How to Choose Anchor Bolts: The Complete Buyer's Guide

    The strongest and deepest set anchor bolts with the largest diameters should be used for loads fastened to concrete overhead. Overhead Loads Consideration #1: Tension Since the load is being held in place to the concrete, the tension weight is directly downward, putting a strain on the anchor bolts in this way.

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  • FASTENER IDENTIFICATION GUIDE

    GRADE MARKING REQUIRED MARKINGS ASTM A 193 Grade B8 Class 1 Regular Series and Heavy Series. 67608 Stud, Stain.Steel 67623 B 8 X Symbol for identification of grade, i.e., “B8”, applied to head. Manufacture’s identification mark, e.g., “X” (on head of bolts and screws and on one end of studs and studs-bolts). ASTM A 193 Grade B8 Class 2

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  • What You Should Know About Tower Anchors :: North American

    The grade 75 and grade 90 anchor bolts are produced from a hot roll melt at the mill and do not contain secondary mill processing. This makes them a very economical choice. Long-term assurances that the tower anchor bolts are going to maintain their pre-tensioned load are vitally important to the integrity of the wind turbine and to the

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