Typical MOQ
10pieces
Subject to product and material review.
Conditions
MOQ is typically 10 pieces, subject to product, material and manufacturing-route review.
Nimonic 901 Hex Bolts
MaterialNimonic 901Change · 45 grades
- Material
- Nimonic 901 · UNS N09901
- Material focus
- Age-hardened strength
- Common applications
- Gas-turbine shafts, discs & rings
- Main elementsnominal · wt.%
- Ni 42.5%
- Fe Balance
- Cr 12.5%
- Mo 5.75%
- Ti 2.9%
Standards & threads
Finished boltDrawing-defined acceptanceNo grade-specific finished-bolt specification was established in the reviewed sources.
Set the final treatment, mechanical tests, sampling and part-qualification requirements for the bolt drawing.
AMS5660 is a material specification. A 901 turbine-component history does not confer qualification on a hex bolt; do not combine different AMS numbers as equivalents.
Raw material specificationSAE AMS5660NUNS N09901
N09901 / Nimonic 901 · bars, forgings and forging stock
This route specifies melting and solution, stabilization and precipitation treatment. Select the exact revision and size/form scope.
Dimensions · metricISO 4014 / ISO 4017Coarse pitch · partial-thread bolts / full-thread hex screws
Dimensions · inchASME B18.2.1Inch hex bolts / hex cap screws
Select the bolt or cap-screw pattern, head dimensions and thread length. Hex and heavy hex are different choices.
Threads · metricISO 261 / ISO 965-1Metric M · pitch plan and tolerance system
Threads · UNC / UNFASME B1.1Unified inch · coarse / fine series
State diameter, TPI, series and external class: e.g. 1/2-13 UNC-2A or 1/2-20 UNF-2A. Select 2A / 3A with the mating-thread fit; UNC and UNF do not mate.
Mechanical testing ASTM F606/F606M
Mechanical test methods for fasteners; select applicable tensile, yield and hardness tests. This standard supplies methods, not a material grade or pass/fail limits. Define those limits and sampling in the part specification.
Test-method reference ↗Sources & editions Reviewed 2026-10-19
Historical samples support the stated grade coverage. The ordered edition controls the full requirements.
Preview your dimensions
Example dimensions, not a stock size.
Simplified right-hand thread appearance. No tolerance, fit or standard compliance is simulated.
Head dimensions · optional
Head proportions are illustrative: s = 1.5d, k = 0.625d. They are not standard-table values and will not be submitted as specified dimensions.
Quality documents
Heat number traceability
Every delivery traceable by heat number
Mechanical testing
Included with every delivery
Thread inspection
GO / NO-GO gauging · sampled inspection
Methods, sampling and acceptance criteria follow the agreed specification. PMI, third-party inspection and additional records are agreed separately.
Before production and at delivery
During quotation, a redacted certificate from a previous order can show the document format and recorded tests. It is a historical example, not certification of this product or a new order. Shipment documents must correspond to the material and batch actually supplied.
How to read a historical certificate sample ↗Prepare your enquiry
Send a drawing and quantity.
No drawing? Use these details.
- Size
- d × L Diameter × under-head length
- Quantity
- Pieces Required quantity per size
- Thread
- Metric / UNC / UNF Pitch or TPI + thread class
- Coverage
- Full / Partial For partial, include threaded length
Full material checklist
Material callout
N09901, AMS5660 revision, melting route and bar / forging form.
Separates different specification routes instead of assuming equivalence.
Treatment and size
Final heat-treatment condition and nominal bolt section.
Connects the property requirements to the part being reviewed.
Qualification scope
Required tests, sampling, traceability and any customer approval steps.
Turbine-alloy application history does not qualify a finished fastener.
Commercial terms
Indicative terms; confirmed in your quotation.
Sample review
~20days
Freight, import duties and taxes are separate.
Conditions
Samples are typically reviewed on an approximately 20-day basis. BYBOLT may cover agreed sample manufacturing; buyer freight, import duties and taxes remain separate.
Production review
25–35days
Urgent requirements can be discussed.
Conditions
Regular production is commonly reviewed on a 25–35 day basis. Urgent requirements can be discussed against the complete specification.
Typical deposit
30%
T/T or LianLian. Balance before dispatch.
Conditions
Payment can be arranged by T/T or LianLian. A typical order uses a 30% deposit, with the balance completed before dispatch.
Technical help
What does AMS5660 define for an Nimonic 901 bolt enquiry?
The reviewed AMS5660N route identifies 901 bars, forgings and forging stock with specified melting and solution, stabilization and precipitation treatment. State the exact revision and form; finished-bolt acceptance is specified separately.
Does Nimonic 901 turbine use establish approval for my bolt?
Approval follows the requirements for the actual part. Supply its drawing revision, final condition, tests and any customer qualification steps. General turbine-component experience with the alloy is useful background, not evidence for a particular bolt lot.
Read a thread designation Metric / UNC / UNF
M12 × 1.75–6g12 mm diameter · 1.75 mm pitch · external class 6g
1/2-13 UNC-2A1/2 inch · 13 TPI · coarse · external class 2A
1/2-20 UNF-2A1/2 inch · 20 TPI · fine · external class 2A
Examples explain designations, not available sizes. Specify fine pitch explicitly. UNC and UNF do not mate; full or partial threading is a separate choice.
Thread classes and inspection ↗Related material guides
Download the PO and receiving checklist (PDF)
Guides for your enquiry
Specify your Nimonic 901 bolt
Send a drawing or add your dimensions and quantity.
Continue to enquiry ↗
Combine several products in one enquiry
Nimonic 901 hex boltsEnquire ↗