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Handan Yongnian Hongji Machinery Parts Co., LTD.,
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ASME B18.2.1 Serrated Hex Flange Bolt Zinc Plated Carbon Steel Flange Hex Bolt
Product Name: Hex Flange Bolt
Standard: ASME B18.2.1
Material: Carbon Steel, 10B21 for Grade 5, 40Cr /10B33 for Grade 8
Mechanical Grade: Grade 2 / Grade 5 / Grade 8, Grade 5 is widely used
Thread Type: UNC(Coarse Thread) / UNF(Fine Thread)
Thread Direction: Right‑hand
Finish: Zinc Plated‑Blue Chromate (BZP), electro‑galvanized with blue passivation, salt spray 48‑72 hours
Head Style: Hex flange head, serrated / non‑serrated optional, indented head or plain head optional
Thread: Partial thread / Full thread optional, bolt end style optional
Product Class: Class A
Standard: ASME B18.2.1
Material: Carbon Steel, 10B21 for Grade 5, 40Cr /10B33 for Grade 8
Mechanical Grade: Grade 2 / Grade 5 / Grade 8, Grade 5 is widely used
Thread Type: UNC(Coarse Thread) / UNF(Fine Thread)
Thread Direction: Right‑hand
Finish: Zinc Plated‑Blue Chromate (BZP), electro‑galvanized with blue passivation, salt spray 48‑72 hours
Head Style: Hex flange head, serrated / non‑serrated optional, indented head or plain head optional
Thread: Partial thread / Full thread optional, bolt end style optional
Product Class: Class A
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Description
d 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 PP UNC 20 18 16 14 13 12 11 10 UNF 28 24 24 20 20 18 18 16 ds MAX 0.25 0.3125 0.375 0.4375 0.5 0.5625 0.625 0.75 MIN 0.245 0.3065 0.369 0.4305 0.493 0.5545 0.617 0.741 s MAX 0.375 0.5 0.5625 0.625 0.75 0.8125 0.9375 1.125 MIN 0.367 0.489 0.551 0.612 0.736 0.798 0.922 1.1 e MAX 0.433 0.577 0.65 0.722 0.866 0.938 1.083 1.299 MIN 0.409 0.548 0.618 0.685 0.825 0.895 1.034 1.234 dc MAX 0.56 0.68 0.81 0.93 1.07 1.19 1.33 1.59 c MIN 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 k MAX 0.28 0.32 0.39 0.46 0.51 0.57 0.62 0.73 b L≤6 0.75 0.875 1 1.125 1.25 1.375 1.5 1.75 L＞6 1 1.125 1.25 1.375 1.5 1.625 1.75 2 r MAX 0.025 0.025 0.025 0.025 0.025 0.045 0.045 0.045 Product Details
Hex flange bolt per ASME B18.2.1, carbon steel in Grade 2/5/8. UNC coarse & UNF fine thread available. Blue chromate zinc‑plated for anti‑corrosion. Flange design removes need for washers, stable fastening. Serrated / non‑serrated, partial/full thread optional. Suitable for auto, machinery & engineering machinery. Custom sizes accepted.
Product Packaging
About Us
FAQ
1.You are a manufacturing company or trading company?
We are a fastener manufacturer, and our main products are Bolt, Nut, Screw, Anchor and Washer. Meanwhile, we are also a fastener trader with many years experiences in domestic and international market.
2.What quote do you offer?
We offer EXW, FCA(Guangzhou, Foshan, Yiwu, Shanghai, Wenzhou, Urumchi, and many other cities), FOB, CIF, CFR, DAP, DDP sea shipment terms.
3. Can you provide the necessary customs clearance documents
Yes. We are a legal and compliant enterprise of the People's Republic of China, having the formal import and export qualification. FORM E, CO, Invoice with embassy certification are all available for our order.
4.How pay?
T/T, Alibaba Online Payment, Paypal are all available.
5.How transport?
The most common means is sea shipment, if the order quantity is great, this means is the best.
But if the order quantity is little, we advise the air express or air transportation.
Of course, the land transportation is also OK.
Door to Door is also available.
6.Can I order a small list ?
Of course you can. We offer the samples service.
7.Can we print our own logo ?
Yes. We offer the customized service based on a big quantity. OEM and ODM are OK.
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The company's main products cover bolts, nuts, anchor, screws, washers and customized parts, casting parts, built-in fitting parts and steel