ASTM A325 Structural Bolts Price - ASTM A320 L7 All Threaded Rods Threaded Bars – Dingshen Metalworks

ASTM A325 Structural Bolts Price - ASTM A320 L7 All Threaded Rods Threaded Bars – Dingshen Metalworks

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ASTM A320/A320M L7 All Threaded Rods Threaded Bars Standard: IFI-136, ASME B16.5, DIN975 Inch Size: 1/4”-2.1/2” with various lengths Metric Size: M6-M64 with various lengths Other Available Grade: ASTM A193/A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2, ASTM A320/A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, and so on. Finish: Plain, Black Oxide, Zinc Plated, Zinc Nickel Plated, Cadmium Plated, PTFE etc. Packing: Bulk about 25 kgs each carton, 36 cartons each palle...


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Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Stainless Steel Hex Bolts , Hex Bolts Manufacturer , Din2510 Stud Bolts , Honesty is our principle, professional operation is our work, service is our goal, and customers' satisfaction is our future!
ASTM A325 Structural Bolts Price - ASTM A320 L7 All Threaded Rods Threaded Bars – Dingshen Metalworks Detail:

ASTM A320/A320M L7 All Threaded Rods Threaded Bars

Standard: IFI-136, ASME B16.5, DIN975

Inch Size: 1/4”-2.1/2” with various lengths

Metric Size: M6-M64 with various lengths

Other Available Grade:

ASTM A193/A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320/A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, and so on.

Finish: Plain, Black Oxide, Zinc Plated, Zinc Nickel Plated, Cadmium Plated, PTFE etc.

Packing: Bulk about 25 kgs each carton, 36 cartons each pallet

Advantage: High Quality and Strict Quality Control, Competitive Price,Timely Delivery; Technical Support, Supply Test Reports

Please feel free to contact us for more details.


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ASTM A325 Structural Bolts Price - ASTM A320 L7 All Threaded Rods Threaded Bars – Dingshen Metalworks detail pictures


The key to our success is "Good Product or service High quality, Reasonable Rate and Efficient Service" for ASTM A325 Structural Bolts Price - ASTM A320 L7 All Threaded Rods Threaded Bars – Dingshen Metalworks, The product will supply to all over the world, such as: Kiribati, Korea, Borussia Dortmund, Why we can do these? Because: A, We are honest and reliable. Our products have high quality, attractive price, sufficient supply capacity and perfect service. B, Our geographical position has a big advantage . C, Various types: Welcome your inquiry, It will be highly appreciated.



  • Departmental Procedures & Guidelines for Inspections, Certifications, Load Testing, Repairs & Painting of Fire Escapes
    Inspections by Structural Engineers, Fire Escape Engineers or others acceptable to the Official:
    In layman’s terms, the city official is looking for a registered structural engineer or others qualified and acceptable by the Fire/Code Official to do a Critical Examination in lieu of a Live Load Test (criteria submitted or discussed prior to inspection) and issues written verification and certification that all connections are free of internal rust or rot as well as all original hardware (square head bolts or rivet) are reinforced and or replaced in lieu of Live Load Test. All supports (thru-bolts or cemented) into the wall must be verified and certified in lieu of Live Load Test. A fire escape confidence test and tag must be submitted if fire escape passed. The report with photos identifying violations for repairs must include repair criteria submitted to the official for repair vendor to use as a guide during and with engineer oversight of permitted repairs. A Fire Escape Confidence Test and tags identifying certified condition are then submitted. Recommended cycle for live load testing is 20 yrs after total refurbishment or as required by official.

    Repairs by Ornamental Ironworkers, Welding Companies or others acceptable to the Official:

    In layman’s terms, the city official is looking for a qualified licensed repair vendor to do all work under repair permit (if required) with engineer oversight of repair criteria submitted for approval to the official in lieu of Live Load Test. All connections must be free of internal rust or rot, spot primed and sealed. All worn material repaired and or replaced. All supports into wall reinforced, repaired and certified in a Fire Escape Confidence Test. In lieu of Live Load Test, all square head bolts, rivets and or welded connections must be certified, reinforced and or replaced based on age or condition. All ladders and cantilevers must be balanced and drop 2-3 ft per second, hit the ground and stay down and must lead to a public way. All roof ladders must be secure. No full painting of any fire escape until all spot painted repairs are inspected and certified under engineer oversight and or city official permit sign-off. Full replacement is subject to permits and or possible code upgrade requirements.
    Painting by EPA Licensed Renovators (if lead paint is present) or others acceptable to Official:
    In layman’s terms, the city official is looking for a paint vendor (EPA Certified Renovator if required) to do all work as per EPA Guidelines due to the fact that all fire escapes older than 1978 are presumed to have lead (EPA) unless identified as no lead or low lead by a licensed lead inspector. Entire building will be notified with signage and all precautions shall be taken to collect paint chips at grade. No sandblasting or power assisted scraping without full fire escape encapsulation under EPA Guidelines. All major connection shall be sealed from water intrusion before during or after painting. All escapes should be spot painted every 3-5 yrs and fully painted every 5-10 yrs or as needed or ordered by a Fire/Code Official.
    Fire Escape Codes:

    NEW JERSEY FIRE CODE 1028.6 EXTERIOR EGRESS ALL EXIT DISCHARGE, EXTERIOR STAIRWAYS AND FIRE ESCAPES SHALL BE KEPT FREE OF SNOW AND ICE. ANY FIRE ESCAPE OR EXTERIOR STAIRWAY FOUND TO BE IN A STATE OF DETERIORATION OR DETERMINED TO BE UNSAFE BY THE FIRE OFFICIAL SHALL BE REPAIRED IMMEDIATELY. DEPENDING UPON THE STRUCTURAL CONDITION, A LOAD TEST OF ANY FIRE ESCAPE SHALL BE CONDUCTED BEFORE THE ESCAPE IS RETURNED TO SERVICE IN ACCORDANCE WITH N.J.A.C.5.23, THE UNIFORM CONSTRUCTON CODE

    For more information please visit our website at https://fireescapeengineers.com or call 866-649-0333
    Fire Escape Engineers is an approved member of the Fire Escape Services Network https://www.fireescpeservices.com and a founding member of the National Fire Escape Association (NFEA) https://www.nationalfireescapeassociation.org

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