factory wholesale good quality DIN6921 ISO4162 Hexagon Flange Bolts and Screws to Belarus Factory

factory wholesale good quality DIN6921 ISO4162 Hexagon Flange Bolts and Screws to Belarus Factory

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Hexagon Flange Screws and Bolts Standard: DIN6921, ISO4162, ISO8102, ASME B18.2.3.9M, ASME B18.2.1, Metric Size: M6-M20 with various lengths Inch Size: 1/4”-3/4” with various lengths Material Grade: Carbon Steel, Alloy Steel, Stainless Steel covers grade ISO 898-1 4.8, 8.8, 10.9; SAE J429 Grade 5, 8; ASTM A193 B7, A320 L7; ASTM F593 A, B, C, D, E, F, G, H; ISO 3506 A2-70, A4-70 Finish: Plain, Black Oxide, Zinc Plated, Hop Dipped Galvanized, Dacromet, etc. Packing: Bulk about 25 kgs each carto...


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In order to best meet client's needs, all of our operations are strictly performed in line with our motto High Quality, Competitive Price, Fast Service for Stud Bolts B7m, Wheel Hub Stud Bolts to Canada, System HR Structural Bolts for Britishs, Quality is factory' life , Focus on customer' demand is the source of company survival and development, We adhere to honesty and good faith working attitude, looking forward to your coming !
factory wholesale good quality DIN6921 ISO4162 Hexagon Flange Bolts and Screws to Belarus Factory Detail:

Hexagon Flange Screws and Bolts

Standard: DIN6921, ISO4162, ISO8102, ASME B18.2.3.9M, ASME B18.2.1,

Metric Size: M6-M20 with various lengths

Inch Size: 1/4”-3/4” with various lengths

Material Grade: Carbon Steel, Alloy Steel, Stainless Steel covers grade

ISO 898-1 4.8, 8.8, 10.9; SAE J429 Grade 5, 8; ASTM A193 B7, A320 L7;

ASTM F593 A, B, C, D, E, F, G, H; ISO 3506 A2-70, A4-70

Finish: Plain, Black Oxide, Zinc Plated, Hop Dipped Galvanized, Dacromet, 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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factory wholesale good quality DIN6921 ISO4162 Hexagon Flange Bolts and Screws to Belarus Factory detail pictures

factory wholesale good quality DIN6921 ISO4162 Hexagon Flange Bolts and Screws to Belarus Factory detail pictures


Our products are greatly recognized and trustworthy by users and will fulfill continually shifting economic and social requires for factory wholesale good quality DIN6921 ISO4162 Hexagon Flange Bolts and Screws to Belarus Factory, The product will supply to all over the world, such as: Las Vegas, Nairobi, Borussia Dortmund, We can meet the various needs of customers at home and abroad. We welcome new and old customers to come to consult & negotiate with us. Your satisfaction is our motivation! Allow us to work together to write a brilliant new chapter!



  • 3017 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.
    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
    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
    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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