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M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards

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M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards

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Brand Name :	FinExpress
Model Number :	Security Screws
Price :	$0.05/pieces 10000-29999 pieces
Payment Terms :	T/T, L/C, D/A, D/P
Supply Ability :	500000000 Piece/Pieces per Week
Delivery Time :	7~15 Working Day
MOQ :	1 piece in stock, 30,000 pcs customized

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Product Details
Company Profile

M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards

Product Overview

Our M4 A2-70 (18-8) Stainless Steel S-Type One-Way Security Screw is engineered for high-security fencing and public infrastructure applications. Featuring a tamper-resistant S-Type one-way drive, corrosion-resistant A2 (304) stainless steel construction, and compliance with international standards, this screw ensures permanent fastening to deter theft, vandalism, and unauthorized removal. Ideal for perimeter fencing, gates, and sensitive installations requiring robust security.

Key Features

✅ One-Way S-Type Drive

Irreversible Installation: Designed for clockwise installation only; resists counterclockwise removal with standard tools.
Tamper-Proof Security: S-Type drive requires a proprietary tool, preventing casual vandalism or theft.

✅ A2-70 (18-8) Stainless Steel

Corrosion Resistance: 18% chromium and 8% nickel composition resists rust, chemicals, and extreme weather (ISO 3506 compliant).
High Tensile Strength: 700 MPa tensile strength for durability under load.

✅ Fencing & Perimeter Security

Permanent Fastening: Ideal for securing chain-link, palisade, or welded mesh fencing panels.
Low Maintenance: Stainless steel ensures longevity in coastal, industrial, or urban environments.

✅ Standards Compliance

ISO 14583 (Tamper-Resistant Fasteners), ISO 3506 (Stainless Steel Mechanical Properties), RoHS, and REACH.

M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards

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

Why Choose Us?

✅ OEM/ODM Support: Full custom packaging, branding, and documentation.
✅ Quality Assurance: ISO 9001-certified with full material traceability and testing (salt-spray, torque, tensile).
✅ Flexible MOQs: Prototype batches to large-scale production.
✅ Fast Turnaround: 10–15 days for standard orders; expedited options available.

M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards

Company Profile

M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards

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.

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M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards

M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards

M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards

Product Overview

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M4 A2 18/8 Stainless Steel S Type One Way Security Fencing Tamper Screw for Standards