Skip to content
Grade Inconel 625 High-Temperature Alloy Countersunk Cup-Head Extended Hexagon Socket Bolt Ns3306 Imperial Half-Thread Screw
  • Standard & made-to-drawing parts
  • Checked before shipping
  • Air, sea & express delivery
Bolts › Countersunk, Plow & Elevator Bolts

Grade Inconel 625 High-Temperature Alloy Countersunk Cup-Head Extended Hexagon Socket Bolt Ns3306 Imperial Half-Thread Screw

Updated 2026-11-03 · Markdown version

Model no. wanqor

US$0.24100–999 pieces US$0.121,000–9,999 pieces US$0.0610,000+ pieces

MOQ 100 pieces · Final price confirmed in your quote

Material
Inconel
Head Style
Hexagonal
Standard
DIN, GB, ANSI, BSW, JIS, GOST
Grade
8.8
Surface Treatment
Zinc Plated, Black Oxide,etc
Size1
M4
Size2
M5
Size3
M6-M30

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

CustomizationAvailable
MaterialInconel
TypeCountersunk Head
Model NO.wanqor
GrooveHexagon
ConnectionCommon Bolt
Head StyleHexagonal
StandardDIN, GB, ANSI, BSW, JIS, GOST
Grade8.8
Surface TreatmentZinc Plated, Black Oxide,etc
Size1M4
CertificateRoHS / Halogen-Free / Tested
Size2M5
Size3M6-M30
Length8mm-80mm
Transport PackageCartoon Box
SpecificationHex screws
OriginChina
Production Capacity500000
Size RangeAvailable from M4 to M30, covering multiple thread size requirements within one product range
Fine Thread OptionFine thread configuration is provided for applications requiring the stated thread format
Custom ManufacturingCustom-made options support project-specific dimensional and specification requirements
CategoryCountersunk, Plow & Elevator Bolts

Technical parameters

Monel External Hex Bolt, N10276 Hexagon Head Screw, Custom Fastener
Monel Alloy External Hex Bolt, Grade 8.8, A Grade, Custom Specification, China National Standard
Size Range: Available from M4 to M30, covering multiple thread size requirements within one product range
Fine Thread Option: Fine thread configuration is provided for applications requiring the stated thread format
Custom Manufacturing: Custom-made options support project-specific dimensional and specification requirements

Description

Grade Inconel 625 High-Temperature Alloy Countersunk Cup-Head Extended Hexagon Socket Bolt Ns3306 Imperial Half-Thread Screw is part of our countersunk, plow & elevator bolts range (Bolts).

Key details

  • Type: Countersunk Head
  • Standard: DIN, GB, ANSI, BSW, JIS, GOST
  • Material: Inconel
  • Grade: 8.8
  • Length: 8mm-80mm
  • Head Style: Hexagonal
  • Groove: Hexagon
  • Surface Treatment: Zinc Plated, Black Oxide,etc

Available configurations include material, head style, standard, grade and surface treatment. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.06 – 0.24 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Grade Inconel 625 High-Temperature Alloy Countersunk Cup-Head Extended Hexagon Socket Bolt Ns3306 Imperial Half-Thread Screw?

The listed minimum order is 100 pieces, at US$0.06 – 0.24 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.24 for 100–999 pieces; US$0.12 for 1,000–9,999 pieces; US$0.06 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Grade Inconel 625 High-Temperature Alloy Countersunk Cup-Head Extended Hexagon Socket Bolt Ns3306 Imperial Half-Thread Screw?

Type: Countersunk Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Inconel; Grade: 8.8; Length: 8mm-80mm; Head Style: Hexagonal. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and surface treatment. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other countersunk, plow & elevator bolts are available?

The Countersunk, Plow & Elevator Bolts category lists 533 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

  • DIN, ISO, ASTM, ANSI, JIS and GB standard parts
  • Non-standard parts made to your drawing
  • Dimensions, thread gauges and plating checked before packing
  • Export cartons and pallets, consolidated mixed orders
  • Samples available for approval before mass production

More about us → · Request a sample or custom quote →

Request a quote for this product

Verification
Verification image showing a simple addition problem to solve

Valid for 15 minutes, single use.

Your inquiry goes to the Engineering Hardware & Fasteners team only. We confirm every detail and handle production, QC and shipping for you.

US$0.06 – 0.24MOQ 100 piecesGet a quote