A spear top steel picket security fence is often purchased as a “simple steel picket panel” that should align fast, look architectural, and stay rigid under real handling and site pressure. The danger is that many systems look identical in photos while performing completely differently once forklift handling, transport stacking, uneven ground, wind vibration, repeated repositioning, and daily contact start testing the fence line. Because supervisors judge performance after delivery rather than at quotation stage, small specification gaps can trigger rework, sorting, rejected bundles, and schedule loss.
POLYMETAL manufactures spear top steel picket security fence systems as commercial-class welded steel (or Aluminium 6063 T6 ) assemblies with measurable, repeatable specifications. Corrosion treatment options such as hot dipped galvanized, pre-galvanized, and Interpon powder coating help ensure the fence does not become a visible rust-and-wobble problem when the site goes live.
spear top steel picket security fence Top 15 Costly Traps You Must Lock Before You Buy (Especially #11)
Trap #1: The “secret” that hides a weak rail frame choice
A “heavy duty” label means nothing if rail frame size and rail thickness are not locked. In a spear top steel picket security fence order, if the purchase order does not specify 40×40, 45×45, or 50×50 rails and thickness options like 1.60, 2.00, 2.50, and 3.00 mm, panels can flex, rack, and lose straightness under normal handling.
Trap #2: The “detail” about rail thickness that decides stiffness
Rail thickness is the stiffness engine. For spear top steel picket security fence panels, a downgrade from 2.50 mm to 1.60 mm can turn a rigid line into a wobbly line, especially across wider bays where push loads and vibration amplify movement. Lock thickness by SKU so every panel behaves the same on site.
Trap #3: The “fact” about picket (upright) size that controls impact survival
Picket size is not cosmetic. In a spear top steel picket security fence build, uprights such as 16×16, 25×25, and 30×30 behave differently after stacking, dragging, and impact. If upright size is not stated, the fence can bend at verticals and look damaged even when rails still appear intact.
Trap #4: The “truth” about picket thickness that controls long-term straightness
Upright thickness (0.80, 1.00, 1.20, 2.00 mm) controls buckling resistance. A spear top steel picket security fence system can arrive straight but deform after one rough handling cycle if picket thickness is quietly reduced in production.
Trap #5: The “point” about picket spacing that changes safety behavior
Spacing changes reach-through, toe placement, and perceived control. With spear top steel picket security fence lines, if the spacing target is not locked, the delivered fence can feel too open for security expectations or too dense for budget. The safest method is to specify both spacing and the upright count that produces it.
Trap #6: The “note” about upright count that causes visible mismatch
Upright count must match spacing. Common spear top steel picket security fence builds use 16 pcs (115 mm), 17 pcs (108 mm), or 18 pcs (100 mm). If the count is not locked, mixed density panels can arrive in one order and the finished line looks inconsistent.
Trap #7: The “tip” about post options that prevents a weak support line
Posts are the backbone of a long run. In spear top steel picket security fence projects, if post options (60×60, 65×65, 75×75, 80×80, 100×100) and post wall thickness (1.6, 2.0, 2.5 mm) are not specified, panels can be “good” while the fence line still moves because posts are undersized.
Trap #8: The “hint” about anti-rust layers that fail without process control
Anti-rust performance depends on surface preparation and the full coating system, not marketing language. For spear top steel picket security fence finishes, if the process is not locked, corrosion often starts at welds and contact points. A controlled multi-layer protection approach reduces air and moisture contact with the pipe surfaces.
Trap #9: The “idea” about anti-theft fixings that becomes a loophole
A security fence is only as secure as its fixings. In spear top steel picket security fence installations, if anti-theft screw type and material are not specified, standard hardware can create an easy removal point. Stainless anti-theft screws and controlled hardware packs keep the perimeter consistent and tamper-resistant.
Trap #10: The “angle” about strength testing that gets overstated
Load claims are meaningless without a consistent build that matches the test sample. For spear top steel picket security fence performance, if rail frame, thickness, posts, and fixings are not controlled, real performance can fall far below an advertised test result. Lock the full structure so strength targets remain repeatable.
Trap #11: The “aspect” that causes the biggest loss—mixed specs in one shipment
The most expensive failure is not a scratch—it is receiving mixed rail sizes, mixed thicknesses, mixed picket sizes, mixed picket counts, and mixed posts within the same order. In spear top steel picket security fence supply, this triggers sorting, rejected bundles, mismatched runs, safety complaints, and rework that destroys the savings plan. Lock one approved build per SKU with signed drawings, fixed tables, and defined inspection criteria so every panel matches the approved standard.
Trap #12: The “element” of DIY-friendly design that still needs tight tolerance
A DIY-friendly system saves labor only when parts fit consistently. For spear top steel picket security fence kits, if panel width, squareness, bracket alignment, and post fit drift, crews lose hours forcing alignment. Tight tolerance control is a direct labor cost driver, even in “easy install” systems.
Trap #13: The “feature” of color consistency that gets missed in premium projects
Colors like satin black, sand black, white, and bronze must be controlled by powder brand, pretreatment, and film build. In spear top steel picket security fence finishing, if color and coating system are not locked, mixed gloss and shade shifts can show up across lots, making the fence look patchy.
Trap #14: The “trait” of packing damage that bends spear points and rails
Spear tops, rail corners, and brackets are impact points during stacking and transport. For spear top steel picket security fence shipments, if packing allows metal-to-metal abrasion and uncontrolled movement, panels can arrive with bent tips and twisted rails before installation begins.
Trap #15: The “view” of “compliance” claims without documentation
A fence can be described as meeting expectations without evidence. For spear top steel picket security fence procurement, if material, thickness, finish method, and inspection criteria are not written into the purchase order, you risk last-minute rejection at receiving—when replacement and schedule loss are most expensive.
Product Description: POLYMETAL spear top steel picket security fence
POLYMETAL spear top steel picket security fence systems are manufactured as commercial-class picket panels designed for repeatable straightness, stable post support, and a clean architectural security appearance across long runs. The system can be produced in Q235 steel or aluminium, with controlled rails, pickets, posts, and fixings so the installed fence remains rigid under real handling cycles and daily site pressure.
Corrosion protection is available in hot dipped galvanized, pre-galvanized, or Interpon powder coated finishes with disciplined surface preparation to reduce early rust at weld zones and contact points. For safety and anti-theft performance, stainless anti-theft fasteners can be supplied as part of a controlled hardware pack. Strength targets can be supported by specification-driven build control, and service discipline includes 100% inspection before packing and optional third-party testing as appointed, removing worry before delivery.
Specifications
Table 1: Metric Project Builds (Common Export Configurations)
| Fence Panel Height (mm) | Fence Panel Width (mm) | Rail Frame (mm) | Rails Thickness (mm) | Upright (mm) | Upright Thickness (mm) | Upright Number | Upright Spacing (mm) | Fence Post Option (mm) | Post Wall (mm) | Fence Post Height (mm) | Finish Option |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1200 | 2000 | 40×40 | 1.60 | 16×16 | 0.80 | 18 pcs | 100 | 60×60 | 1.6 | 1800 | Pre-galvanized |
| 1200 | 2200 | 40×40 | 2.00 | 25×25 | 1.00 | 17 pcs | 108 | 65×65 | 2.0 | 1800 | Hot dipped galvanized |
| 1500 | 2200 | 45×45 | 2.00 | 25×25 | 1.20 | 16 pcs | 115 | 75×75 | 2.0 | 2100 | Hot dipped galvanized |
| 1500 | 2500 | 45×45 | 2.50 | 30×30 | 1.00 | 18 pcs | 100 | 80×80 | 2.0 | 2100 | Interpon powder coated |
| 1800 | 2000 | 45×45 | 2.50 | 30×30 | 1.20 | 17 pcs | 108 | 75×75 | 2.5 | 2400 | Hot dipped galvanized |
| 1800 | 2200 | 50×50 | 2.50 | 25×25 | 2.00 | 16 pcs | 115 | 80×80 | 2.5 | 2400 | Hot dipped galvanized |
| 2100 | 2500 | 50×50 | 3.00 | 30×30 | 2.00 | 18 pcs | 100 | 100×100 | 2.5 | 2700 | HDG + Interpon topcoat |
| 2100 | 2600 | 50×50 | 3.00 | 30×30 | 2.00 | 17 pcs | 108 | 100×100 | 2.5 | 2700 | Hot dipped galvanized |
| 2400 | 2500 | 50×50 | 3.00 | 30×30 | 2.00 | 18 pcs | 100 | 100×100 | 2.5 | 3000 | Hot dipped galvanized |
| 1850 | 2200 | 50×50 | 3.00 | 30×30 | 2.00 | 18 pcs | 100 | 100×100 | 2.5 | 2450 | HDG + Interpon topcoat |
Table 2: North American Size Series (Heights/Widths Commonly Specified in Inches)
| Fence Panel Height (mm) | Fence Panel Width (mm) | Rail Frame (mm) | Rails Thickness (mm) | Upright (mm) | Upright Thickness (mm) | Upright Number | Upright Spacing (mm) | Fence Post Option (mm) | Post Wall (mm) | Fence Post Height (mm) | Color / Finish Snapshot |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1219 | 1829 | 40×40 | 1.60 | 16×16 | 1.00 | 18 pcs | 100 | 60×60 | 1.6 | 1819 | Satin Black (Interpon) |
| 1219 | 2438 | 45×45 | 2.00 | 25×25 | 1.00 | 17 pcs | 108 | 65×65 | 2.0 | 1819 | Bronze (Interpon) |
| 1372 | 1829 | 40×40 | 2.00 | 25×25 | 1.20 | 16 pcs | 115 | 65×65 | 2.0 | 1972 | White (Interpon) |
| 1372 | 2438 | 45×45 | 2.50 | 25×25 | 1.20 | 18 pcs | 100 | 75×75 | 2.0 | 1972 | Sand Black (Interpon) |
| 1524 | 1829 | 45×45 | 2.00 | 30×30 | 1.20 | 17 pcs | 108 | 75×75 | 2.5 | 2124 | Hot dipped galvanized |
| 1524 | 2438 | 50×50 | 2.50 | 30×30 | 1.20 | 16 pcs | 115 | 80×80 | 2.5 | 2124 | Hot dipped galvanized |
| 1829 | 1829 | 50×50 | 2.50 | 25×25 | 1.50 | 18 pcs | 100 | 80×80 | 2.5 | 2429 | HDG + Interpon topcoat |
| 1829 | 2438 | 50×50 | 3.00 | 25×25 | 2.00 | 17 pcs | 108 | 100×100 | 2.5 | 2429 | High-security hardware pack |
| 1829 | 2438 | 50×50 | 3.00 | 30×30 | 2.00 | 16 pcs | 115 | 100×100 | 2.5 | 2429 | Industrial grade (HDG) |
| 1524 | 2438 | 45×45 | 2.50 | 19×19 | 1.50 | 18 pcs | 100 | 63.5×63.5 | 2.0 | 2124 | Commercial Plus profile |
Table 3: System Profiles (Residential / Commercial / Industrial / High-Security)
| System Profile | Fence Panel Height (mm) | Fence Panel Width (mm) | Rail Frame (mm) | Rails Thickness (mm) | Upright (mm) | Upright Thickness (mm) | Upright Number | Upright Spacing (mm) | Fence Post Option (mm) | Post Wall (mm) | Fence Post Height (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Residential Regular | 1219 | 2438 | 40×40 | 1.60 | 16×16 | 1.00 | 18 pcs | 100 | 50×50 | 1.5 | 1819 |
| Residential Regular | 1372 | 1829 | 40×40 | 1.60 | 16×16 | 1.00 | 17 pcs | 108 | 50×50 | 1.5 | 1972 |
| Commercial Regular | 1524 | 2438 | 45×45 | 2.00 | 19×19 | 1.20 | 18 pcs | 100 | 50×50 | 1.5 | 2124 |
| Commercial Regular | 1829 | 2438 | 45×45 | 2.00 | 19×19 | 1.20 | 17 pcs | 108 | 63.5×63.5 | 2.0 | 2429 |
| Industrial Regular | 1829 | 2438 | 50×50 | 2.50 | 25×25 | 1.50 | 16 pcs | 115 | 75×75 | 2.5 | 2429 |
| Industrial Regular | 2100 | 2500 | 50×50 | 3.00 | 25×25 | 2.00 | 18 pcs | 100 | 75×75 | 2.5 | 2700 |
| Commercial Plus | 1524 | 2438 | 45×45 | 2.50 | 19×19 | 1.50 | 18 pcs | 100 | 63.5×63.5 | 2.5 | 2124 |
| Industrial Plus | 1829 | 2438 | 50×50 | 3.00 | 25×25 | 2.00 | 17 pcs | 108 | 75×75 | 2.5 | 2429 |
| High-Security Plus (45°/90° Curve) | 1829 | 2438 | 50×50 | 3.00 | 25×25 | 2.00 | 18 pcs | 100 | 75×75 | 2.5 | 2429 |
| High-Security Plus (Tall) | 2400 | 2500 | 50×50 | 3.00 | 30×30 | 2.00 | 18 pcs | 100 | 100×100 | 2.5 | 3000 |
Applications
A spear top steel picket security fence is used for schools, councils, warehouses, logistics facilities, commercial compounds, transport corridors, public-facing assets, gated communities, utility sites, and perimeter upgrades where an architectural look must still communicate security and resist tampering.
Benefits
POLYMETAL spear top steel picket security fence systems reduce hidden losses by locking rail frames, picket sizes, picket density, and post options so panels arrive consistent and install without on-site sorting. Corrosion finish choices support different climates, while anti-theft stainless screws reduce tamper risk. A DIY-friendly design can reduce labor cost when tolerances are controlled, and service discipline includes 100% inspection before packing with optional third-party testing as appointed.
Packing
Panels are stacked with controlled separators and strapping to reduce metal-to-metal abrasion and protect spear points and rail corners. Hardware packs are boxed and labeled by SKU. Posts are strapped separately to prevent impact dents. Pallet or stillage packing is available to protect geometry through container loading, sea freight, unloading, and site staging.
Standard and quality control
This system can be produced to meet ASTM and AS/NZS expectations for commercial-class outdoor performance when the purchase order states rail frame size, rail thickness, picket size, picket thickness, picket number, picket spacing, post options, post wall thickness, finish method, and inspection criteria. For hot dipped galvanized, pre-galvanized, and Interpon powder coating, consistent surface preparation and acceptance checks reduce early corrosion at weld zones and contact points—especially for buyers who also manage short-term perimeter programs and review temporary fencing rental shocking traps.
FAQs
FAQ 1: Are you a factory or trading company?
POLYMETAL is a direct manufacturer with production lines for spear top steel picket security fence fabrication, welding, finishing, and packing, supporting consistent specification control and flexible configurations.
FAQ 2: What materials are available?
Raw material options include aluminium or Q235 steel, selected to match project exposure, strength expectations, and budget.
FAQ 3: What sizes are commonly supplied?
Common panel heights include 48″, 54″, 60″, and 72″, with common widths of 72″ and 96″. Metric builds are available to match export requirements and project drawings.
FAQ 4: What finishes and colors can you supply?
Finish options include hot dipped galvanized, pre-galvanized, and Interpon powder coating. Popular colors include satin black, sand black, white, and bronze, with controlled coating process for consistent appearance.
FAQ 5: Can you supply anti-theft hardware?
Yes. Stainless anti-theft screws and controlled hardware packs can be supplied to reduce tampering risk and keep site installation consistent.
FAQ 6: Do you inspect before shipment?
Yes. A 100% inspection is performed before packing, and third-party testing can be arranged as appointed to match project requirements.
FAQ 7: Can you support DIY-friendly installation?
Yes. The system can be designed for easier installation to reduce labor cost, while maintaining tight tolerance control so parts align quickly and the finished line remains straight.
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