sales@yyfasteners.com
+86 18830064300
+86 18830064300
+86 18830064300
+86 18830064300
Welcome To Know Our Products,We Can Offer You High Quality Products!
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ProductsYongyi Fasteners supplies bolts, nuts, washers, anchors, threaded rods, screws and custom fasteners according to DIN, ISO, ANSI/ASME, ASTM, SAE and GB standards.
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About usLearn about Hebei Yongyi Fasteners Manufacturing Co., Ltd., our factory, certificates, production equipment and quality-control capabilities in Yongnian, China.
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NewsRead YONGYI factory updates, fastener standards, purchasing guides, project references and export supply information.
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ServiceExplore YONGYI fastener applications, OEM and drawing-based manufacturing, inspection support, packing and export order services.
High Strength Grade 4.8 8.8 10.9 12.9 Steel Hot Dip Galvanized HDG DIN 3570 U Bolts
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High Strength Grade 4.8 8.8 10.9 12.9 Hot Dip Galvanized HDG DIN603 Carriage Bolts
MOQ: Contact usPrice: Contact us -
ASTM A325 A325M Heavy Structural Bolts
MOQ: Contact usPrice: Contact us -
High Strength Grade 4.8 8.8 10.9 12.9 Black Oxide DIN186 T Bolts
MOQ: Contact usPrice: Contact us -
Stainless Steel SS201 SS304 SS316 A2-70 A4-80 DIN7991 CSK Flat Head Hex Socket Bolts
MOQ: Contact usPrice: Contact us -
High Strength Grade 8.8 10.9 12.9 Steel DIN931 DIN933 Zinc Plated Hex Bolts
MOQ: Contact usPrice: Contact us -
Stainless Steel A2-70 A4-80 SS201 SS304 SS316 DIN3570 U Bolts
MOQ: Contact usPrice: Contact us
Product Photos and Information
| Name | U bolts |
| Standards | DIN ISO ANC BSW JIS etc. |
| Size | M3-M50 |
| Length | 15-500 |
| Materials | Carbon Steel/Stainless Steel |
| Strength level | 4.8 8.8 10.9 12.9 A2-70 A4-70 A4-80 |
| Surface finish | ZPHDGBLACKDacromet etc. |
| Samples | Subject to availability and agreement |
Product Standards
| U-bolts - bow clamps for pipes of nominal diameter 20 to 500 DIN 3570 | |||||||||||||
| Nominal diameter | 30 | 38 | 46 | 52 | 64 | 82 | 94 | 120 | 148 | ||||
| d | |||||||||||||
| d 1 | 25~26.9 | 30~33.7 | 38~42.4 | 44.5~48.3 | 57~60.3 | 76.1 | 88.9 | 108~114.3 | 133~139.7 | ||||
| d 1 | Applicable pipe size | Metric | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | ||
| d 1 | Imperial | 3/4" | 1" | 1 1/4" | 1 1/2" | 2" | 2 1/2" | 3" | 4" | - | |||
| b ① | 40 | 40 | 50 | 50 | 50 | 50 | 50 | 60 | 60 | ||||
| ds | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 16 | 16 | ||||
| d 3 | M10 | M10 | M10 | M10 | M12 | M12 | M12 | M16 | M16 | ||||
| L ① | 70 | 76 | 86 | 92 | 109 | 125 | 138 | - | - | ||||
| L 1 | 28 | 31 | 37 | 40 | 49 | 57 | 66 | 171 | 191 | ||||
| n | 40 | 48 | 56 | 62 | 76 | 94 | 106 | 136 | 164 | ||||
| 100 pieces weight (steel)≈kg | Type A | 9.4 | 10.5 | 12 | 12.9 | 22.2 | 25.9 | 28.8 | 64 | 72.7 | |||
| Type B | 6.8 | 7.7 | 9 | 9.7 | 16.8 | 19.8 | 22.4 | - | - | ||||
| Nominal diameter | 176 | 202 | 228 | 282 | 332 | 378 | 428 | 530 | |||||
| d | |||||||||||||
| d 1 | 159~168.3 | (191)~193.7 | 216~219.1 | 267~273 | 318~323.9 | 355.6~368 | 406.4~419 | 508~521 | |||||
| d 1 | Applicable pipe size | Metric | 150 | -175 | 200 | 250 | 300 | 350 | 400 | 500 | |||
| d 1 | Imperial | - | - | - | - | - | - | - | - | ||||
| b ① | 60 | 60 | 70 | 70 | 70 | 70 | 70 | 70 | |||||
| ds | 16 | 16 | 20 | 20 | 20 | twenty four | twenty four | twenty four | |||||
| d 3 | M16 | M16 | M20 | M20 | M20 | M24 | M24 | M24 | |||||
| L ① | - | - | - | - | - | - | - | - | |||||
| L 1 | 217 | 249 | 283 | 334 | 385 | 435 | 487 | 589 | |||||
| n | 192 | 218 | 248 | 302 | 352 | 402 | 452 | 554 | |||||
| 100 pieces weight (steel)≈kg | Type A | 83.4 | 95.8 | 169.8 | 202.8 | 235 | 382 | 429 | 522 | ||||
| Type B | - | - | - | - | - | - | - | - | |||||
About Us
YONGYI Fasteners supports industrial and project fastener inquiries from Yongnian, Handan, China.
Our published company certificates, factory photographs, production information and selected supply references help buyers evaluate manufacturing and quality-control capabilities.
For a quotation, provide the product standard or drawing, size, material or grade, surface finish, quantity, packing requirement and destination.
Factory Introduction
Production Process
Packing and Shipping
Certificate
ISO 9001 Quality Management System Certificate (Chinese)
ISO 14001 Environmental Management System Certificate (English)
ISO 14001 Environmental Management System Certificate (Chinese)
ISO 45001 Occupational Health and Safety Management System Certificate (English)
ISO 45001 Occupational Health and Safety Management System Certificate (Chinese)
Exhibition/partner Photos
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We provide OEM and drawing-based fastener supply after the technical specification, quantity, packing and delivery requirements are confirmed.
Contact Info
Add：Dongmingyang Industrial Park, Mingguan Town, Yongnian District, Handan City, Hebei Province China
Export salesman:
WhatsApp：+86 18830064300
E-mail: sales@yyfasteners.com
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