Industrial Bolts in Stainless Steel, Duplex Steel and Nickel Alloys
Industrial bolts, hex bolts, heavy hex bolts, socket bolts, flange bolts, U bolts, eye bolts and drawing-based custom bolts for equipment assembly, piping, construction, marine, offshore, chemical, petrochemical and power projects.
Standard and Drawing-Based Industrial Bolts
WISINE can review industrial bolts for machinery, flange connections, support systems, marine equipment, chemical equipment, petrochemical plants, construction projects and custom assemblies.
Standard and custom bolts can be reviewed according to material grade, standard, diameter, length, thread, head type, surface finish, quantity and document requirements. Final specification should be confirmed before production.
Common Inquiry Focus
- Bolt type, head type and thread arrangement
- Material grade, product standard and application environment
- Diameter, length, thread type and thread pitch
- Matching nuts, washers and surface finish
- Material certificates and inspection documents when required
Industrial Bolt Product Scope
WISINE can review common industrial bolt types and non-standard bolt requirements according to confirmed specifications, drawings or samples.
Hex Bolts
Hex bolts for industrial assembly, machinery, construction support and project fastener sets.
Heavy Hex Bolts
Heavy hex bolts can be reviewed where larger bearing surface or project-specified bolt geometry is required.
Socket Bolts
Socket head cap screws, socket countersunk screws and socket button head screws according to confirmed dimensions.
Flange Bolts
Flange bolts for assembly applications where an integrated flange head is specified by drawing or standard.
Carriage, Eye, U and T Bolts
Carriage bolts, eye bolts, U bolts and T bolts can be reviewed according to geometry, thread and application details.
Custom Bolts
Drawing-based bolts with non-standard head type, shoulder, shank, length, thread or assembly features.
Hex Bolts and Heavy Hex Bolts
Hex bolts and heavy hex bolts can be reviewed according to ASTM, ASME, DIN, ISO, EN, JIS or drawing requirements. Heavy hex bolts are commonly used where a larger bearing surface or project-specified bolt geometry is required.
Final standard, grade, thread and dimensions should be confirmed before quotation. Avoid assuming a standard or certificate requirement unless it is confirmed in the RFQ.
Hex Bolt RFQ Details
- Head type and product standard
- Diameter, length and thread pitch
- Full thread or partial thread
- Material grade and finish
- Nut and washer matching requirement
Socket Bolts, Flange Bolts, U Bolts and Eye Bolts
Special bolt types should be reviewed according to drawing, standard, application requirement, material grade and confirmed dimensions.
Socket Head Cap Screws
Socket bolts for machinery, equipment assembly and compact fastening locations.
Socket Countersunk & Button Head
Socket countersunk screws and socket button head screws according to confirmed drawings or specifications.
Flange Bolts
Flange bolts where integrated flange head geometry is required by project specification.
Eye Bolts and U Bolts
Eye bolts and U bolts can be reviewed according to dimensions, thread, bend radius, material and application details.
Carriage Bolts
Carriage bolts for assemblies where square neck or round head geometry is specified.
T Bolts
T bolts for slots, fixtures and project-specific assemblies according to confirmed dimensions.
Anchor Bolts
Anchor bolt requirements may be reviewed here or through the Industrial Anchors page when the anchor type is confirmed.
Drawing-Based Special Bolts
Non-standard head, special shoulder, special shank, custom thread and project-specific assembly details.
Industrial Bolt Material Grades
Material selection should be confirmed according to service environment, corrosion exposure, strength requirement, temperature, standard and document requirements. Availability is subject to material availability, quantity, processing requirements and document requirements.
| Material Family | Common Grades | Typical Bolt Types | Material Link |
|---|---|---|---|
| Stainless Steel | 304, 304L, 316, 316L, ASTM A193 B8 / B8M and project-specified stainless grades | Hex bolts, socket bolts, flange bolts, U bolts, custom bolts | 316 / 316L Stainless Steel ASTM A193 B8 / B8M |
| Duplex / Super Duplex | 2205, 2507 and project-specified duplex grades | Duplex stainless steel bolts and project fastener sets | Duplex 2205 Super Duplex 2507 |
| Nickel Alloys | Hastelloy C276, Inconel 625, Inconel 718 and project-specified nickel alloys | Nickel alloy bolts, nuts, washers and custom fasteners | Hastelloy C276 Inconel 625 Inconel 718 |
| Alloy Steel | ASTM A193 B7 / B7M and project-specified alloy steel | Industrial bolts, heavy hex bolts and fastener sets | ASTM A193 B7 / B7M |
| High Strength / Special Stainless | 17-4PH, 15-5PH, A286, XM-19 and project-specified materials | Special bolts, custom bolts and drawing-based fasteners | View Materials & Alloys |
Stainless Steel, Duplex Steel and Nickel Alloy Bolts
Material-specific bolt RFQs should confirm service environment, corrosion exposure, project standard, dimensions, finish, quantity and document requirements before quotation.
316 / 316L Stainless Steel Bolts
316 / 316L bolt requirements can be discussed where project documents specify stainless steel bolting.
Duplex 2205 Bolts
Duplex 2205 bolts can be reviewed according to service environment, drawing and document requirements.
Super Duplex 2507 Bolts
Super Duplex 2507 bolt requirements should be confirmed according to project specification.
ASTM A193 B7 / B7M Bolts
ASTM A193 B7 / B7M bolting requirements can be discussed where specified by project documents.
ASTM A193 B8 / B8M Bolts
ASTM A193 B8 / B8M stainless bolting requirements should confirm grade, dimensions and document needs.
Hastelloy C276 Bolts
Hastelloy C276 bolts can be reviewed according to confirmed alloy grade, dimensions and quantity.
Inconel 625 Bolts
Inconel 625 bolt RFQs should confirm standard, drawing, finish and document requirements.
Inconel 718 Bolts
Inconel 718 bolt requirements should be confirmed according to project standard and material condition.
Standards, Specifications and Bolt Dimension Notes
ASTM / ASME / DIN / ISO / EN / JIS specifications can be discussed according to order requirements. EN 10204 3.1 / 3.2 material certificates and third-party inspection requirements can be discussed when required. Certificate availability should be confirmed before quotation.
| RFQ Item | Information to Provide |
|---|---|
| Bolt Type | Hex bolt, heavy hex bolt, socket bolt, flange bolt, carriage bolt, eye bolt, U bolt, T bolt, anchor bolt or custom bolt. |
| Material Grade | 304, 316, 2205, 2507, C276, 625, B7, B7M, L7, L7M, A286, XM-19 or project-specified material. |
| Standard | ASTM / ASME, DIN, ISO, EN, JIS or drawing-based specification. |
| Dimensions | Diameter, length, head type, thread type, thread pitch, full thread or partial thread. |
| Finish and Documents | Passivation, galvanizing, coating, polishing, certificate requirement, inspection requirement, packing requirement and destination country. |
| Drawing if Non-Standard | PDF, DWG, DXF, STEP, sample photo or detailed specification for custom bolts. |
Matching Nuts and Washers for Bolt Assemblies
Bolts are often supplied with matching nuts and washers according to material, thread, standard and project requirements. Matching parts should be confirmed before quotation.
Please confirm nut type, washer type, material grade, thread compatibility, coating or finish, packing and document requirements.
Common Set Details
- Bolt with one nut
- Bolt with nut and washer set
- Matched material grade and thread standard
- Kit packing or project labeling when required
Custom Bolts According to Drawing
Custom bolts can be reviewed according to drawing, sample, standard, photo or confirmed dimensions. Non-standard head type, special length, custom thread, special shoulder, special shank, U bolt dimensions, eye bolt dimensions and project-specific assembly requirements can be discussed.
Final specification should be confirmed before production. Material certificates and inspection documents can be discussed when required.
Drawing Review Details
- Drawing, sample photo or marked sketch
- Material grade and surface finish
- Head, shank, shoulder and thread details
- Quantity, packing and document requirement
Information to Prepare for an Industrial Bolt Quotation
Clear RFQ details help confirm the correct bolt type, material, standard, finish, matching hardware and document requirements before quotation.
| Requirement | Details to Confirm |
|---|---|
| Bolt Type | Hex bolt, heavy hex bolt, socket bolt, flange bolt, carriage bolt, eye bolt, U bolt, T bolt, anchor bolt or custom bolt according to drawing. |
| Material and Standard | Material grade, ASTM / ASME / DIN / ISO / EN / JIS reference, project specification or confirmed drawing requirement. |
| Dimensions | Diameter, length, thread type, thread pitch, full thread or partial thread, head type and any shoulder or shank requirement. |
| Matching Hardware | Nut type, washer type, material matching requirement, coating compatibility and package quantity. |
| Finish and Documents | Surface finish, coating or passivation, certificate requirement, inspection requirement, packing requirement and destination country. |
| Custom Bolt Details | Drawing, sample photo, marked sketch or confirmed dimensions for non-standard head, thread, shank, shoulder, U bolt or eye bolt designs. |
Industrial Bolts FAQ
Can WISINE supply custom bolts according to drawing?
Custom bolts can be reviewed according to drawings, samples, material grade, dimensions, thread details, finish and quantity.
Can bolts be supplied with nuts and washers?
Bolts can be reviewed with matching nuts and washers according to material, thread, standard and project requirements.
Which bolt material should I choose?
Material selection should be confirmed according to service environment, corrosion exposure, strength requirement, temperature and project specification.
Can ASTM, DIN, ISO or JIS bolts be discussed?
ASTM / ASME / DIN / ISO / EN / JIS specifications can be discussed according to order requirements.
Can certificates be provided?
Material certificates and inspection documents can be discussed when required. Certificate availability should be confirmed before quotation.
What affects availability?
Availability is subject to material availability, quantity, processing requirements, surface finish and document requirements.
Send Your Industrial Bolt Requirement
Share bolt type, material grade, standard, diameter, length, thread type, thread pitch, full thread or partial thread, head type, nut and washer requirement, surface finish, quantity, certificate requirement, inspection requirement, destination country and drawing if non-standard. WISINE can help review the details and prepare a practical export quotation.