Industrial Nuts in Stainless Steel, Alloy Steel and Nickel Alloys
Industrial hex nuts, heavy hex nuts, lock nuts, flange nuts, cap nuts, coupling nuts and custom nuts for bolts, stud bolts, threaded rods, anchors, machinery, flange connections and project-specific fastener assemblies.
Standard and Custom Nuts for Industrial Fastener Assemblies
Industrial nuts are used with bolts, stud bolts, threaded rods and anchors in machinery, flange connections, piping systems, structural assemblies, support systems, chemical equipment, petrochemical plants, marine, offshore, construction and custom assemblies.
WISINE can review standard and custom nuts according to material grade, standard, thread, size, finish, quantity and document requirements. Final specification should be confirmed before production.
Common Inquiry Focus
- Nut type, thread type and matching fastener details
- Material grade, product standard and application environment
- Diameter, thread pitch, nut height and width across flats
- Washer requirement, surface finish and packing method
- Material certificates and inspection documents when required
Industrial Nut Product Scope
WISINE can review common industrial nut types and drawing-based custom nut requirements according to confirmed specifications, drawings or samples.
Hex Nuts
Hex nuts for bolts, threaded rods, anchors, machinery and industrial assembly requirements.
Heavy Hex Nuts
Heavy hex nuts for stud bolts and heavy-duty bolting assemblies where project specification requires this geometry.
Lock Nuts
Lock nuts for assemblies where the locking style, thread and material should be confirmed by specification.
Flange Nuts
Flange nuts where integrated flange geometry is required by standard, drawing or assembly design.
Cap, Coupling, Slotted and Square Nuts
Cap nuts, coupling nuts, slotted nuts and square nuts can be reviewed according to dimensions and application details.
Custom Nuts
Drawing-based nuts with non-standard shape, special thread, custom height, slot, flange or project-specific geometry.
Hex Nuts and Heavy Hex Nuts
Hex nuts and heavy hex nuts can be reviewed according to ASTM, ASME, DIN, ISO, EN, JIS or drawing requirements. Heavy hex nuts are commonly used with stud bolts and heavy-duty bolting assemblies where project specification requires this geometry.
Final standard, grade, thread and dimensions should be confirmed before quotation. Grade pairing should be confirmed according to the project specification.
Hex Nut RFQ Details
- Nut type and product standard
- Thread type, thread pitch and diameter
- Nut height and width across flats
- Material grade and finish
- Matching bolt, stud bolt or washer requirement
Lock Nuts, Flange Nuts and Drawing-Based Nut Types
Special nut types should be reviewed according to drawing, standard, application requirement, material grade and confirmed dimensions.
Lock Nuts
Lock nuts can be reviewed according to locking style, thread, material, size and project requirement.
Flange Nuts
Flange nuts where integrated flange geometry is specified for the assembly.
Cap Nuts
Cap nuts for applications where a closed-end nut geometry is required by drawing or specification.
Coupling Nuts
Coupling nuts for joining threaded rods or threaded components according to confirmed thread and length.
Slotted Nuts
Slotted nuts can be reviewed according to slot detail, thread and matching pin or assembly requirement.
Square Nuts
Square nuts for project-specific assemblies where square geometry is specified.
Matched Nut Sets
Nuts can be discussed with matching bolts, stud bolts, threaded rods and washers.
Drawing-Based Special Nuts
Non-standard shape, custom height, special width across flats, custom hole, slot, flange and thread details.
Matched Nuts for Bolts and Stud Bolts
Nuts are often supplied with matching bolts, stud bolts, threaded rods and washers according to material, thread, standard and project requirements. Matching parts should be confirmed before quotation.
ASTM A194 nuts can be discussed as matching nuts for ASTM A193 and ASTM A320 stud bolts where specified by project documents. Common examples may include A194 2H, 2HM, 7, 7M, 8 and 8M.
Final grade pairing, thread, coating, nut quantity and document requirements should be confirmed according to project specifications before quotation.
Stud Bolt Nut Details
- Stud bolt grade and standard
- Nut grade and thread type
- One nut or two nuts per stud bolt
- Washer requirement if included
- Certificate availability should be confirmed before quotation
Industrial Nut Material Grades
Material selection should be confirmed according to matching bolt or stud bolt grade, service environment, corrosion exposure, temperature, standard and document requirements. Availability is subject to material availability, quantity, processing requirements and document requirements.
| Material Family | Common Grades | Typical Nut Types | Material Link |
|---|---|---|---|
| Alloy Steel | ASTM A194 2H, 2HM, 7, 7M and project-specified alloy steel nuts | Heavy hex nuts, matched stud bolt nuts and industrial nut sets | ASTM A193 B7 / B7M |
| Stainless Steel | ASTM A194 8 / 8M, 316 / 316L and project-specified stainless grades | Hex nuts, heavy hex nuts, lock nuts, flange nuts, cap nuts and custom nuts | ASTM A193 B8 / B8M 316 / 316L Stainless Steel |
| Duplex / Super Duplex | 2205, 2507 and project-specified duplex grades | Duplex stainless steel nuts and matched fastener sets | Duplex 2205 Super Duplex 2507 |
| Nickel Alloys | Hastelloy C276, Inconel 625, Inconel 718 and project-specified nickel alloys | Nickel alloy nuts, matched nuts and custom fasteners | Hastelloy C276 Inconel 625 Inconel 718 |
| High Strength / Special Stainless | 17-4PH, 15-5PH, A286, XM-19 and project-specified materials | Special nuts, custom nuts and drawing-based fastener assemblies | View Materials & Alloys |
Stainless Steel, Duplex Steel and Nickel Alloy Nuts
Material-specific nut RFQs should confirm matching bolt or stud bolt grade, service environment, corrosion exposure, thread, finish, quantity and document requirements before quotation.
316 / 316L Stainless Steel Nuts
316 / 316L nuts can be discussed where project documents specify stainless steel fastener sets.
Duplex 2205 Nuts
Duplex 2205 nut requirements can be reviewed according to service environment and project specification.
Super Duplex 2507 Nuts
Super Duplex 2507 nuts can be discussed where specified by project documents.
ASTM A193 B7 / B7M Matched Nuts
Matched nut requirements for A193 B7 / B7M bolting should confirm project specification and document needs.
ASTM A193 B8 / B8M Matched Nuts
Stainless matched nut requirements for B8 / B8M bolting should confirm thread, grade pairing and finish.
Hastelloy C276 Nuts
Hastelloy C276 nuts can be reviewed according to confirmed alloy grade, dimensions and quantity.
Inconel 625 Nuts
Inconel 625 nut RFQs should confirm drawing, thread, finish and document requirements.
Inconel 718 Nuts
Inconel 718 nut requirements should be confirmed according to project standard and material condition.
Standards, Thread Notes and Nut RFQ Discussion
ASTM A194, ASTM A193 / A320 matched stud bolt requirements, ASTM / ASME / DIN / ISO / EN / JIS specifications and UNC / UNF / Metric thread options 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 |
|---|---|
| Nut Type | Hex nut, heavy hex nut, lock nut, flange nut, cap nut, coupling nut, slotted nut, square nut or custom nut. |
| Material Grade | A194 2H, 2HM, 7, 7M, 8, 8M, 8C, 8T, 304, 316, 2205, 2507, C276, 625, A286, XM-19 or project-specified material. |
| Standard | ASTM A194, ASTM / ASME, DIN, ISO, EN, JIS or drawing-based specification. |
| Dimensions | Thread type, thread pitch, diameter, nut height, width across flats, chamfer and any slot or flange details. |
| Matching Fasteners | Bolt, stud bolt, threaded rod or washer details when the nut is supplied as part of a set. |
| Finish and Documents | Passivation, galvanizing, coating, polishing, certificate requirement, inspection requirement, packing requirement and destination country. |
Custom Nuts According to Drawing
Custom nuts can be reviewed according to drawing, sample, standard, photo or confirmed dimensions. Non-standard shape, special thread, custom height, special width across flats, custom hole, custom slot, custom flange 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
- Thread, height, width across flats and slot details
- Quantity, packing and document requirement
Information to Prepare for an Industrial Nut Quotation
Clear RFQ details help confirm the correct nut type, material, standard, thread, matching hardware, finish and document requirements before quotation.
| Requirement | Details to Confirm |
|---|---|
| Nut Type | Hex nut, heavy hex nut, lock nut, flange nut, cap nut, coupling nut, slotted nut, square nut or custom nut according to drawing. |
| Material and Standard | Material grade, ASTM A194 or other ASTM / ASME / DIN / ISO / EN / JIS reference, project specification or confirmed drawing requirement. |
| Thread and Dimensions | Thread type, thread pitch, diameter, nut height, width across flats, chamfer and any custom slot, hole or flange detail. |
| Matching Hardware | Matching bolt, stud bolt, threaded rod or washer details, including nut quantity per fastener set. |
| Finish and Documents | Surface finish, coating or passivation, certificate requirement, inspection requirement, packing requirement and destination country. |
| Custom Nut Details | Drawing, sample photo, marked sketch or confirmed dimensions for non-standard shape, thread, height, width across flats, slot or flange designs. |
Industrial Nuts FAQ
Can WISINE supply custom nuts according to drawing?
Custom nuts can be reviewed according to drawings, samples, material grade, dimensions, thread details, finish and quantity.
Can nuts be supplied with bolts, stud bolts or washers?
Nuts can be reviewed with matching bolts, stud bolts, threaded rods and washers according to material, thread, standard and project requirements.
Which nut material should I choose?
Material selection should be confirmed according to matching bolt or stud bolt grade, service environment, corrosion exposure, temperature and project specification.
Can ASTM A194 nuts be discussed?
ASTM A194 nut requirements and grade pairing with ASTM A193 or ASTM A320 stud bolts 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 Nut Requirement
Share nut type, material grade, standard, thread type, thread pitch, diameter, nut height, width across flats, matching bolt or stud bolt details, 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.