Bolts

WINDO METAL Fasteners supplies and manufactures custom bolts for every industry, including construction and electronics. Our online selection includes almost 9,000 different styles, bolt sizes and materials, including carbon and stainless steel anchor bolts, carriage bolts, elevator bolts, eye bolts, frame bolts, heavy hex bolts, tension control bolts, toggle bolts, and more. Select A325 structural bolts for your heavy construction jobs or machine lifting eye bolts for your hoisting applications. Toggle bolts are a great choice for anchoring in drywall. WINDO METAL is always here to help so if you can’t find the exact bolt you need for your application, please call or contact us.

WINDO carries a large variety of bolts for industrial use. Structural bolts include A325 & A490. B7 hex bolts are also kept in stock. We also keep specialty bolts such as Square Head and Carriage Bolts, as well as Left Hand.

Custom Coated Bolts & Painted Bolt Heads

As a custom bolt manufacturer, WINDO METAL utilizes our in-house metal plating and finishing shop to provide convenience and quick turn-around times for custom coated bolts and other fasteners. We offer 16 high-quality processes including Xylan, Zinc Nickel, Phosphate, Black Oxide, Nickel and Painted Fastener Heads. Please contact us today to request a quote.

Types of Bolts

Hex Bolts  / Hex Cap Screws / Heavy Hex Bolts / Structural Bolts / Carriage Bolts Tension Control Bolts 12 Point Flange Bolts Shoulder Bolts Tap Bolts Frame Bolts Hex Flange Machine Bolts Timber Bolts L-Shaped Anchor Bolts Square Head Bolts Elevator Bolts Eye Bolts Hanger Bolts Plow Bolts Stove Bolts Thrust Bolts Step Bolts Coil Bolts Toggle Bolts Place Bolts T Head Bolts U Bolts …

BOLTS

BOLTS TYPES

DIN933 Hexagonal 8.8 Grade Bolt Long Bolt

DIN933 Hexagonal 8.8 Grade Bolt Long Bolt

DIN933 Hexagonal 8.8 Grade Bolt Long Bolt, High tensile Bolts and nuts DIN931, Carbon steel M6-M48 black 8.8 grade specification DIN931 hex cap screw half thread long head bolt, anti-theft bolt and nut high tensile bolts and nuts grade 8.8 price bolt and nut DIN933 Hexagonal 8.8 Grade Bolt Long Bolt Product Features: Grade: DIN […]

Hex Pin Bolts Nuts ASTM A325M Grade

Hex Pin Bolts Nuts ASTM A325M Grade

Hex Pin Bolts Nuts ASTM A325M Grade, Carbon Steel Zinc Heavy Wobble Double Bolts and Nuts, High-precision Screw bolt heavy hex bolts & nuts, custom sizes m8 bolt A325M 8S structural bolt High strength/tensile Nut Bolt Hex Pin Bolts Nuts ASTM A325M Grade Features: Material Carbon Steel Size M12-M36 Surface treatment Black Finish, Zinc Plated, […]

ASTM A325M Zinc Heavy Wobble Double Bolts and Nuts

ASTM A325M Zinc Heavy Wobble Double Bolts and Nuts, High-precision Screw bolt astm a325M zinc heavy wobble double hex pin bolts & nuts, custom sizes m8 bolt A325M 8S structural bolt heavy hex bolt and nut, High strength/tensile Nut Bolt ASTM A325M Zinc Heavy Wobble Double Bolts and Nuts Features: Material Carbon Steel Size M12-M36 […]

SS400 ASTM A490 Carbon Steel Bolt Hex Head

SS400 ASTM A490 Carbon Steel Bolt Hex Head

SS400 ASTM A490 Carbon Steel Bolt Hex Head Fastener, Black Oxide/Galvanized Carbon Steel Non standard 4.8 8.8 GRADE BOLTS, Hex Head wheel hub yamaha expander flush cremone bolts, custom sizes m13 m40 ss400 ASTM A490M High strength/tensile Bolt SS400 ASTM A490 Carbon Steel Bolt Hex Head Features: Material:High strength/tensile Grade:A490 Standard:ASTM Thread:UNC Sizes:1/2 to 1 […]

Special High Tensile 8.8 Grade Bolt Screw Fastener

Special High Tensile 8.8 Grade Bolt Screw Fastener

Special High Tensile 8.8 Grade Bolt Screw Fastener, Black Oxide/Galvanized Carbon Steel Non standard 4.8 8.8 GRADE BOLTS, special high tensile t 8.8 grade bolt of screw fastener from china ISO9001:2015, m8 bolt A325M 8S structural bolt heavy hex bolt and nut Special bolt, Special High Tensile 8.8 Grade Bolt Screw Fastener Raw Material 35# […]

Round Head Hex Hexagon Socket Head Cap Screws

Round Head Hex / Hexagon Socket Head Cap Screws

Round Head Hex / Hexagon Socket Head Cap Screws, Black Oxide/Galvanized Carbon Steel DIN912 4.8 8.8 GRADE BOLTS, special high tensile t 8.8 grade bolt of screw fastener from china ISO9001:2015, m8 bolt A325M 8S structural bolt heavy hex bolt and nut 1.Name Round head Hex / Hexagon  Socket Head Cap Screws Black Oxide/Galvanized Carbon […]

ASTM A490 High Strength Black Oxide Hex Head Bolt

ASTM A490 High Strength Black Oxide Hex Head Bolt

ASTM A490 High Strength Black Oxide Hex Head Bolt, Construction Hex Bolts A490M, Custom Design CONSTRUCTION FASTENERING  Hardware Heavy Bolt for Steel Constructions A325M A490M, m30 a490 bolt high tension bolts and nuts, Grade 10.9 ASTM A490 High Strength Tc Bolts ASTM A490 High Strength Black Oxide Hex Head Bolt Features: Material:High strength/tensile Grade:A490 Standard:ASTM […]

ASTM A490 Bolts

ASTM A490 Bolts High Strength Construction Hex Bolts

ASTM A490 Bolts High Strength Construction Hex Bolts, A490 Hexagonal Bolt Made in China, Heavy Hex Bolt A490 Bolts and Nuts, ASTM A490 High Strength Black Oxide Hex Head Bolt, Custom Design CONSTRUCTION FASTENERING  Hardware Heavy Bolt for Steel Constructions A325M A490M ASTM A490 Bolts High Strength Construction Hex Bolts Features: Material:High strength/tensile Grade:A490 Standard:ASTM […]

ASTM A490 Hex Bolts High Strength Structural Bolt

ASTM A490 Hex Bolts High Strength Structural Bolt

ASTM A490 Hex Bolts High Strength Structural Bolt, A490 Hexagonal Bolt Made in China, Heavy Hex Bolt A490 Bolts and Nuts, ASTM A490 High Strength Black Oxide Hex Head Bolt,  CONSTRUCTION FASTENERING  Hardware Heavy Bolt for Steel Constructions A325M A490M ASTM A490 Hex Bolts High Strength Structural Bolt Features: Material:High strength/tensile Grade:A490 Standard:ASTM Thread:UNC Sizes:1/2 […]

A490 Hexagonal Bolt Made in China

A490 Hexagonal Bolt Made in China

A490 Hexagonal Bolt Made in China, Heavy Hex Bolt A490 Bolt and Nuts, ASTM A490 High Strength Structural Hex Bolts, hex head bolt/hex bolt nut washers/grade 8.8 hex bolt ASTM A325/ASTM A490, CONSTRUCTION FASTENERING  Hardware Heavy Bolt for Steel Constructions A325 A490 A490 Hexagonal Bolt Made in China Features: Material:High strength/tensile Grade:A490 Standard:ASTM Thread:UNC Sizes:1/2 […]

Heavy Hex Bolt A490 Bolt and Nuts

Heavy Hex Bolt A490 Bolt and Nuts

Heavy Hex Bolt A490 Bolt and Nuts, hardware hexagonal bolts, ASTM A490 High Strength Structural Hex Bolts, High srtength hex head bolt/hex bolt nut washers/grade 8.8 hex bolt ASTM A325/ASTM A490, Din7990/F10T Made in China High Strength Heavy Hex Bolt with Nut Washer Heavy Bolt for Steel Constructions A325 A490 Heavy Hex Bolt A490 Bolt […]

Screw Bolt Astm A325M Zinc Heavy Wobble Double Hex Pin Bolts and Nuts

Screw Bolt Astm A325M Zinc Heavy Wobble Double Hex Pin Bolts and Nuts

Screw Bolt Astm A325M Zinc Heavy Wobble Double Hex Pin Bolts and Nuts, ASTM A325 ASTM International standard heavy hex structural bolts, Structural Bolts, Steel, Heat Treated Bolts and Nuts, Standard DIN, ANSI, BS, GB, ISO, JIS Bolt Astm A325M China supplier Screw Bolt Astm A325M Zinc Heavy Wobble Double Hex Pin Bolts and Nuts […]

Hexagonal Head Flange Bolts

Hexagonal Head Flange Bolts

Hexagonal Head Flange Bolts Material: stainless steel Color: nickel white Standard: DIN GB ISO ANSI Grade: SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 Thread: coarse, fine Used: Parts for fastening two through holes A bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related […]

A490 Bolt and Nut

A490 Bolt and Nut

Fastener bolt: A490 Bolt and Nut, Stainless steel fastener, hex bolt, U bolt, stainless steel u bolt, stud bolt, L bolt, stainless steel eye bolt, T bolt, customized bolt Size: 1/4-4″ Material: Carbon steel, stainless steel, alloy steel Grade: 4.8-12.9grade, SS201, SS304, SS316, SS410… A490 Bolt and Nut Finishing: ZP, black, HDG, Gacromet, Geomet. Non-standards: […]

Zinc Hexagon Hex Bolt

Zinc Hexagon Hex Bolt

Zinc Hexagon Hex Bolt Material: steel Color: white Standard: DIN GB ISO JIS BA ANSI Thread: Full Used: building industry machinery DOWEDO’s main products: hex head bolt DIN933, Steel structure with high strength large hexagon head bolts GB1228, Zinc Hexagon Hex Bol, nuts,T type head bolt, Pan head bolts, square head bolts, countersunk head bolts, […]

Heavy Hex Bolts ASTM

Heavy Hex Bolts ASTM

Heavy Hex Bolts ASTM Size: M1~M46 Grade: 4.6,4.8,5.6,6.8,8.8,9.8,10.9,etc Available Material: stainless steel,alloy steel,etc Surface treatment: Black oxide, Phosphate, Zinc plated, Dacroment,etc Standard: ISO, BS, ANSI, GB,DIN,JIS,Nonstandard Advantage: OEM / ODM / customized service provided Quality control: ISO standard,100% Whole range inspection through the production. Certificate: ISO9001:2008 We have the excellent technology staff, and all of […]

A325 Steel Structure Hex Bolt

A325 Steel Structure Hex Bolt

A325 Steel Structure Hex Bolt Material: Stainless Steel, Steel, Carbon Steel, Aluminum or Aluminum Alloy, Brass:H59,H62,Copper,Bronze Grade: ASTM, A325, A490 and etc. Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc. Thread: UNC, UNF, UEF, UN, UNS Standard: ISO, DIN, ANSI, JIS, BS and Non-standard Advantage: Competitive price; OEM service available Packing Bulk […]

Grade 8.8 Hex Bolt

Grade 8.8 Hex Bolt

Grade 8.8 Hex Bolt For Steel Structure Materials: Alloy steel: 40Cr/42CrMo/B7/35CrMo Other available standards: ASTM A325,ASTM A490 GRADE: 8.8s/10.9s SIZE RANGE(Inch): Dia.: 1/2~1 1/2 Length:1 1/4~12 SIZE RANGE(Metric) Dia.: M12~M36 Length:40mm~300mm Normal finish: Black oxide, Dacromet, phosphating, Hot dip galvanized,etc. Head Marking: accept customer Certification: CE,SGS,ISO 9001 From raw materials to end product delivery, it […]

Black Heavy Bolt A325

Black Heavy Bolt A325

Black Heavy Bolt A325 Size: M12-M36 Standard: A325 Finish: Plain, Black, zinc-plated, HDG Black Heavy Bolt A325 Material: carbon steel Packing: Standard export packing or According to customer’s requirement Finishing: Coloured zinc-plated(galvanized,can be white,blue,yellow,green), Hot dip galvanized(HDG), Nickel-plated,Chrome-plated, Tin-plated, Dacromet, Passivation, Dacroblack, QPQ,Polished,Matt. We have been engaged in the fasteners for many years. Our company […]

Hardware Hexagonal Bolts

Hardware Hexagonal Bolts

Hardware Hexagonal Bolts Material:High strength/ tensile Grade: A490 Standard: ASTM Thread: UNC Sizes:1/2 to 1 1/2 inches Surface treatments:plain, black, zinc-plated (ZP), yellowzinc-plated (YZP), hot-dipped galvanizing (HDG), Dacromet, nickel-and brass-plated Packaging Details: small box/carton, bulk cartons/pallet and gunnybag Hardware Hexagonal Bolts Competitive Advantages : 1. Top Quality control 2. Competitive Price 3. Various of Design […]

F436M Structural Heavy Hex Bolts

F436M Structural Heavy Hex Bolts

F436M Structural Heavy Hex Bolts A bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related to, and often confused with, screws. A hex cap screw is a cap screw with a hexagonal head, designed to be driven by a wrench (spanner). An ASME B18.2.1 compliant cap screw […]

ASTM Stud Seal Bolt

ASTM Stud Seal Bolt

ASTM Stud Seal Bolt Product standard: ASTM, A325M, A490M, A563M, F436M Product size: M6–M64 1/4″–3″ Bolt pitch: 0.3-2.5 mm Negative line diameter: ±0.02 mm Material: Carbon steel, stainless steel, copper, aluminum, alloy steel Surface treatment: Galvanized / oiled Bolt thread length: Full thread / half thread From raw materials to end product delivery, it has […]

A325M Hex Bolt with Nut

A325M Hex Bolt with Nut

A325M Hex Bolt with Nut Standard: ASTM, A325M, A490M, A563M, F436M and etc. Size: standard & non-standard, support customized Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass and etc. Grade: SAE ; ASTM, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc. Thread: UNC,UNF Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc. […]

Torque Shear Bolt A325M

Heavy Hex Bolt A325M

Heavy Hex Bolt A325M For Structural Building Material: Carbon Steel, Stainless steel, Alloy Steel etc Size: M4-M100 1/4″-4″ Length: 6mm to 100mm Thread: UNC, UNF are available Surface Treatment: Black oxide, zinc plate, copper plating, Dacromet, Teflon, phosphating Certificate: ISO9001:2008, ROHS, SGS, CE Standard: DIN, ISO, ANSI, ASTM, ASME, GB, JIS After-sale: Solve all your […]

ASTM Heavy Hex Bolts

ASTM Heavy Hex Bolts

ASTM Heavy Hex Bolts Size Range: M3-M100 Grade: 4.6, 4.8, 5.6, 5.8,6.8, 8.8, 10.9 and 12.9 Material: A193 B7/ A194 2H Standard: DIN ,ANSI/ASME,BS,GB,JIS,etc Thread: UNC,UNF,BST,etc. Technology: Forged Machine + CNC Machining. Surface/ color:usually Black painting for carbon steel; Suitable Medium water, oil, petroleum, gas, chemical, power, metallurgy, shipbuilding, comstruction etc. Certificate: Mill test Certificate […]

ASTM Heavy Hex Structural Bolt

ASTM Heavy Hex Structural Bolt

ASTM Heavy Hex Structural Bolt Material: 45# steel, 4OCr, 35crMoA, 40MnB, 40MnVB and other alloy steel Color: white, blue, yellow, black, OEM Standard: DIN, ISO, ANSI, BS, JIS Grade: 8.8, 10.9 and 12.9 Diameter: M10-M48, 3/8-2″ Length: 30MM-1000MM Finishing: zinc plate (white, blue, yellow, black), Cr3+, black oxide, Ni plate, brass plate, electrophoresis, dacromet, hot-dipped […]

Alloy Steel Hexagon Bolts

A325M Structural Bolts

A325M Structural Bolts Hexagon Head Bolts standard: DIN, ASTM, JIS, BS, AS, ISO, GB, Nonstandard bolt(according to your order). Material: 40Cr/20Mntib Finish: HDG Bolt Size: M3-M100 Certificate: ISO9001 Packing: First by plastic bags and then by carbon, then by pallet. Good Service: We will respond to you within 24 hours. We can manufacture nonstandard parts […]

A325M Steel Structural Hex Bolt

A325M Steel Structural Hex Bolt

A325M Steel Structural Hex Bolt Material: Mild Carbon Steel, Stainless Steel, Iron, Brass, Other bronze and copper, Aluminum, Nylon etc Heat Treatment: Tempering. Hardening, Spheroidizing, Stress Relieving Surface Finish: Zinc, Nickel, Bronze, Copper,Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Parkerising,Zinc-nickel alloy plated etc. Dimension Standard: Non-Standard ,PEM Standard or base on the Drawings […]

A325M Galvanized Hex Bolt

A325M Galvanized Hex Bolt

A325M Galvanized Hex Bolt Product Features: Standard: ASME B 18.2.6,DIN6914 Size: 1/2”-1 1/2”,M12-M36 Material: Carbon Steel, Alloy Steel Grade: ASTM A325, A354, A490,CL10.9,12.9 Thread: M, UNC, UNF Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G. Packaging Details: Bulk in cartons (<=25kg )+ 36CTN/wood solid Pallet Bulk in cartons 9″x9″x5″ (<=18kg )+ 48CTN/wood solid Pallet […]

Hexagon Large Head Bolts

Hexagon Large Head Bolts

Hexagon Large Head Bolts Standard: DIN6914 A325M BS3692 UNI5712 Grade: 4.6, 4.8, 8.8, 10.9, 12.9, AISI 2, AISI 5, AISI 8, AISI 10. Size: M4-M80;1/4″~3-1/4″ Material: stainless steel304,316,carbon steel35#, 45#, alloy steel, brass… Surface treatment: galvanized, Black, Nickel plate, Chrome plate, HDG, Zinc plated Packaging Details: bulk packing in cartons, then put on pallets, or […]

A325M Heavy Hex Bolts

A325M Heavy Hex Bolts

A325M Heavy Hex Bolts Standard: A325M Grade: A325M Size: M12-M36; 1/2″-1 1/2″ Finish: HDG Material: medium carbon steel Length: 10mm-800mm Mark:According to customer’s requirement. Delivery time: Normally in 30-40 days. Package: Cartons & pallets or according to customer’s requirement. Our main products are fasteners: bolts, screws, rods, nuts machined parts. Every process will be checked […]

Stainless Steel Polished Bolt

Stainless Steel Polished Bolt

Stainless Steel Polished Bolt Size: M1.6-M72 Standard: DIN 933 Certification: ISO9001, SGS, CE Material: stainless steel Color: Bright polished Standard: DIN GB ISO JIS BA ANSI Grade: SUS201, SUS304, SUS316 Thread: Full thread Used: building, industry, machinery etc. DOWEDO’s main products: hex head bolt DIN933, Steel structure with high strength large hexagon head bolts GB1228, […]

A325M Hex Bolt Nut

A325M Hex Bolt Nut

A325M Hex Bolt Nut High quality, national standard, strict inspection, reliable product quality. All kinds of different types, accept customization, 4.8/ 8.8/ 10.9/ 12.9 Ect,GB,DIN Ect. Best price, standard parts industrial parts, convenient transportation, low cost. When you need suppliers with a certified ISO 9001 quality system with more full warranty Rand authorized spares parts […]

High Strength A325m Hex Structural Bolt

High Strength A325m Hex Structural Bolt

High Strength A325m Hex Structural Bolt Standard: DIN,ASTM/ANSI JIS EN ISO,AS,GB Material: Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593 Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A, 307B, A325, A394, A490, A449, Finishing: Zinc (Yellow,White,Blue,Black), Hop Dip Galvanized(HDG), Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated Production Process: M2-M24: Cold Froging, M24-M100 Hot Forging, Machining […]

Hexagon Bolts

Hexagon Bolts A325

Hexagon Bolts A325 Size: M2-M36,or as according to drawing or sample Material: Stainless Steel,Brass,Bronze,Iron,Aluminum,Carbon steel,Alloy steel Surface Finishing: Zn- Plated,Sandblast and Anodize,Chromate, Polish, Electron Painting, Black Anodize, Plain,etc Heat Treatment: Tempering, Hardening, Spheroidizing, Stress Relieving,etc Standard: GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc Hexagon Bolts A325 Grade: 4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80 […]

Metric Bolts A325M

Metric Bolts A325M Standard: DIN,UNC,BSW,UNF,ASTM, DIN,UNC,BSW,UNF Metric Bolts nuts ASTM A193M ASTM A325M Grade: 4,8/ 8.8/ 10.9/ 12.9 Ect Color: Oxidation blackening,Zinc plating, Surface treatment: HDG, PTFE coated, plain, black, galvanized, yellow zinc plated Packing: 25kg carton then pallet or according to the customer’s need Application: Machinery industry Length: 15-200mm,customized Certificate: SGS,ISO4017 The headmarks we […]

Hex Head Bolt

Hex Head Bolt ASTM

Hex Head Bolt ASTM Commodity: Top quality customized fastenes grade B astm a307 hex bolt Material: Carbon Steel,Alloy steel, stainless steel and brass Standard: DIN931/933,DIN 6914,A325/A325M Grade: 4.8/6.8/8.8/10.9/12.9 Surface Finish: Black,Zinc plated,Copper plating,Phosphating,Mechanical galvanized Size: M6-M164; 1/4″-2″ Certificated: ISO9001:2008;ROHS,SGS and environment protection Packing: By carton or gunny bag then on wooden pallet Hex Head Bolt […]

A325M High Strength Hex Bolts

A325M High Strength Hex Bolts DIN6914 High-strength Hex bolts, ASTM A325M, A490M Heavy Hex Bolt for steel structure Standard: ASME B 18.2.1, DIN931, Din933, ISO4014, DIN6914,A307, A325,A449, A490,A354 GrBD, A193 B7 Diameter: 3/8”~2” , M12-M50 (3/8”,1/2”,5/8”,3/4”, 1”, 1 1/2”,1 1/4”,13/4”,2”) Length: 5/8”~20”, 16mm-500mm Material: carbon steel 45#, alloy steel, 40CR, 35CRMO, 42CRMO, 4140, BY, Grade: […]

High Tension Hanger Bolt

A490 High Tension Hanger Bolt

A490 High Tension Hanger Bolt Material: stainless steel Color: Bright polished Thread: Full thread Used: building, industry ,machinery ect. A bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related to, and often confused with, screws. A hex cap screw is a cap screw with a hexagonal head, […]