Finexpress Precision Manufacturing (dongguan) Co., Ltd
                                                                                                           
Verified Supplier
24 Years
Since 2002
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Steel Material Black Zinc Hex Socket Half Dog Point Grub Screw for Precise Fastening

Price Negotiable
Price: $0.01/pieces 10000-29999 pieces
MOQ: 30000
Delivery Time: 7~15 Working Day
Brand: FinExpress
Product Description
Free Sample Black Zinc Hex Socket Half Dog Point Grub Screw

Product Overview

Our Black Zinc Hex Socket Half Dog Point Grub Screws are precision-engineered fasteners designed for maximum durability and secure fastening in high-stress environments. Featuring a hex socket (Allen key) drive, half dog point, and a black zinc coating, these screws combine exceptional tensile strength with corrosion resistance.

Request your free sample today to test quality and performance before placing a bulk order! Ideal for securing gears, pulleys, shafts, and other critical components in machinery, automotive systems, and industrial equipment.


Technical Specifications

Parameter Details
Grade 12.9 (Tensile Strength: 1200 MPa)
Head Type Hexagon Socket (Allen) Head
Point Type Half Dog Point
Material High-Strength Carbon Steel (Grade 12.9)
Surface Finish Black Zinc Coating (Corrosion Resistant)
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 Grub Screws?

  1. Unmatched Strength: Grade 12.9 ensures maximum load-bearing capacity and fatigue resistance.
  2. Corrosion Protection: Black zinc coating extends service life in humid, chemical, or outdoor environments.
  3. Precision Engineering: ISO/DIN-compliant dimensions for seamless integration into global projects.
  4. Cost-Effective: Competitive pricing with bulk order discounts (minimum 500 pieces).
  5. Trusted Supplier: Produced by Jiangsu Xinzhenya Metal Technology Co., Ltd., a leader in premium fastener manufacturing.

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








Company Profile

 

 

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.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Finexpress Precision Manufacturing (dongguan) Co., Ltd
Location Building 2, No. 129 Xinmalian Xinma Road, Dalang Town, Dongguan, Guangdong, China
Contact Person Irene chen

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