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Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified

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Certification
China Finexpress Precision Manufacturing (dongguan) Co., Ltd certification
China Finexpress Precision Manufacturing (dongguan) Co., Ltd certification
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Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified
Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified
Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified

Large Image :  Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified

Product Details:
Place of Origin: Guangdong, China
Brand Name: FinExpress
Model Number: FinExpress Set Screws
Document: Product Brochure PDF
Payment & Shipping Terms:
Minimum Order Quantity: 30000
Price: $0.01/pieces 10000-29999 pieces
Packaging Details: 1.1000pcs / plastic bag,20kgs/ carton ,then put on the wood pallet ,<br>2.Carton size:28cm*18cm*13cm,<br>3.Wood pallet size:118cm*113cm,Weight:700~800Kg Bulk:0.8 cubic<br>4.The weight of 20 FT Container:20~25 Tons<br>5,As your requirements
Delivery Time: 7~15 Working Day
Payment Terms: L/C,D/A,D/P,T/T
Supply Ability: 500000000 Piece/Pieces per Week
Contact Now

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified

Description
Finish: Plain, Black Oxide, ZINC PLATED Material: Steel
Measurement System: Metric Head Style: Headless,flat Point, Cone,Ball Point
Standard: Non-standard MOQ: 1 Piece In Stock, 30,000 Pcs Customized
Package: Small Packing+Carton Packing+Pallet Delivery Time: In Stock 5~7 Working Days, Customized 15~25 Working Days
Service: OEM ODM Custom Service Length: 1mm~500mm
Certificate: ISO9001:2015, SGS, RoHs Drive Type: Socket / Slotted
Highlight:

Grade 12.9 Hexagon Socket Set Screws

,

Concave End Socket Set Screws

Grade 12.9 Black Concave End Hexagon Socket Set Screws

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 0

Product Overview

Our Grade 12.9 Black Concave End Hexagon Socket Set Screws are engineered for extreme durability and precision in high-stress environments. Featuring a hexagon socket (Allen key) drive, concave (cup) point, and a black protective coating, these set screws combine exceptional tensile strength with corrosion resistance.

Made from Grade 12.9 carbon steel (the highest strength class in ISO 898-1), they are ideal for securing gears, pulleys, shafts, and other critical components in machinery, automotive systems, and industrial equipment. The black finish enhances aesthetics while providing an additional barrier against moisture and abrasion.

Technical Specifications

Parameter Details
Grade 12.9 (Tensile Strength: 1200 MPa)
Head Type Hexagon Socket (Allen) Head
Point Type Concave (Cup) Point
Material High-Strength Carbon Steel (Grade 12.9)
Surface Finish Black Oxide or Electroless Nickel Coating
Diameter Range M3–M30
Length Range 6mm–150mm
Applications Automotive, industrial machinery, aerospace, robotics, and heavy equipment

Applications

These set screws are widely used in:

  • Automotive Manufacturing: Securing transmission components, bearings, and drive shafts.
  • Industrial Machinery: Fastening pulleys, couplings, and motor parts under high torque.
  • Aerospace & Defense: Critical fastening in aircraft engines, landing gear, and hydraulic systems.
  • Heavy Equipment: For construction machinery, mining tools, and agricultural equipment.
  • Automation & Robotics: Ensuring vibration-resistant fastening in robotic arms and conveyor systems.

Why Choose Our Grade 12.9 Set Screws?

  1. Unmatched Strength: Grade 12.9 ensures maximum load-bearing capacity and fatigue resistance.
  2. Corrosion Protection: Black coating extends service life in humid, chemical, or outdoor environments.
  3. Precision Engineering: ISO/DIN-compliant dimensions for seamless integration into global projects.
  4. Custom Solutions: Tailor diameters, lengths, and finishes to meet your exact specifications.
  5. Cost-Effective: Competitive pricing with bulk order discounts (minimum 500 pieces).

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 1Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 2Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 3Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 4

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 5
Specification
More Detail Informations

Available Material
1.Stainless Steel: SS303, SS304, SS316, SS410, SS420;
2.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045;
3.Brass: C3602,C3604,Hpb59,Hpb62,Hpb65,Hpb58,Hpb70 ;
4.Aluminum: Al6061, Al6063 etc
or as your requirements
Head type
CSK Head,Pan Head,Truss Head,Hexagon Head,Round Head,Oval Head,Button Head,Cap Head,Cheese Head,etc.
Hardness
Carbon Steel:HRC:28~35 ,HV450~700
Alloy Steel:HRC:32~39(grade10.9) HRC:39~44(grade12.9)
Finish
Zinc plated, Nickel plated, Bronze, Copper,Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver,
Phosphorization,Zinc-nickel alloy plated etc.
Sample Available
The sample is free of charge if we have the existing tooling,you only need to pay for the freight cost
Delivery time
Samples time 3-5 working days, Lead time 20-25 working days
Pricing Term
EXW Dongguan(FCA),FOB, CIF, CNF, DDU,etc.
Packing
Bulk in PE bag or Small boxes.then in carton .pallet
Payment term
TT (30% in advance as deposit, balance before delivery) , L/C, Western Union,PayPal etc
Management system
ISO9001:2015
Certificate
ISO,ROHS
Why Choose Us








Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 6Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 7

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 8

Company Profile

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 9

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 10 

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 11

Metric Measurement System Grade 12.9 Black Concave End Hexagon Socket Set Screws ISO9001 2015 Certified 12 

FAQ
Q1: What is your main products and material supply?
A1: Our main products are Electronic screws,Sems screws,Tapping screws,Chicago screws,Shoulder screws etc. Special Non-standard studs,Turning parts and High-end precision complex CNC Machining parts etc.
A2: Carbon Steel, Alloy Steel, Aluminum alloy,Stainless Steel, Brass, Copper ,Titanium alloy or according to your requirement.
 
Q2: When can I get the price?
A: We usually offer you a quotation within 12 hours, and the special offer is not more than 24 hours.Any urgent cases, please contact us directly by phone or send email to us.

Q3: What about the transportation and delivery date?
A: If the weight of goods more than 80kg,Normally we use shipment to transprot the orders. It is about 20-30days . If the weight of goods less than 80kg,or there are urgent, we can send the goods via air express,It is 3~5 days.

Q4: What's your packing?What to do in case of damaged goods during transport?
A1: Our Normal packing is bulking in Cartons, less than 20 kgs/carton, 48 cartons / pallet. We also can pack products according to your requirement.
A2: To avoid any subsequent trouble regarding quality issue, we suggest you check the goods once you receive them. If there is any transport damaged or quality issue, don't forget take the detail pictures and contact us as soon as possible, we will properly handle it to make sure your loss to reduce to the smallest.
 
Q5: Can I get discounts?
A: Yes, for big order, frequent customers, we give reasonable discounts.
 
Q6: Do you have enough capacity?
A: Our production equipment is a new imported equipment. We have a group of skilled workers who have been working for more than 10 years. Their production experience is very rich and their skills are very skilled. The screws can be 30 million pcs/month. We have sufficient funds to ensure the normal operation of the factory.

Tag:

Stainless Steel Chicago Screw,

Thread Forming Screw,

Metal Screw Eye

Contact Details
Finexpress Precision Manufacturing (dongguan) Co., Ltd

Contact Person: Irene chen

Tel: +86-13527934468

Send your inquiry directly to us (0 / 3000)

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