Get Started

Tek Screw For Roofing Price Selection Guide | Hebei Wotu Fastener Manufacturing Co., Ltd.

Roofing tek screw price factors

Pricing for a roofing tek screw depends on more than the screw length. The substrate, drilling point, head and washer combination, corrosion-resistant finish, order quantity, packaging and delivery terms all affect the quotation.

For a useful comparison, specify the roof panel material and support structure first. A screw for thin metal-to-metal fixing may not suit a panel fixed into timber, and an apparently cheaper screw can cost more if its washer, coating or point is wrong for the application.

Request Quote View Products

Related Products

Chinese-standard Color Nylon Head Hex Self-Drilling Screw

Chinese-standard Color Nylon Head Hex Self-Drilling Screw

Brand: Hengzuan Surface: screw color zinc plated, head color nylon protective cap, multiple colors available Specifications: Chinese national standard ST5.5, ST6.3 mainstream caliber, rod length 25mm~125mm full range of specifications in stock, supports nonstandard length customization, suitable for drilling steel sheet thickness 2~6mm Packaging: 25kg cartons, full pallets packed on wooden pallets, support neutral packaging, private-label customization

Read More
Hex Head Self-Drilling Screw With Cup Washer

Hex Head Self-Drilling Screw With Cup Washer

Brand: Hengzuan Surface: color zinc plated Specifications: in stock ST5.5/ST6.3 regular diameter, rod length 19mm~75mm in stock, supports nonstandard customized, suitable for drilling steel sheet thickness 2~5mm Packaging: carton packaging, full pallets wooden pallet packaging, support neutral packaging, private-label customization

Read More
Hex Head Self-Drilling Screw With Bonded Washer

Hex Head Self-Drilling Screw With Bonded Washer

Brand: Hengzuan Surface: blue and white zinc plated, color zinc plated can be customized on request Specifications: in stock 4.2/4.8/5.5/6.3mm mainstream wire diameter, length 20mm~165mm full range of specifications, nonstandard rod length, drill point size can be customized Packaging: 25kg export cartons, full pallets wrapped with film, supports neutral export packaging, customer private-label customization

Read More
Painted Hex Head Self-Drilling Screw

Painted Hex Head Self-Drilling Screw

Brand: Hengzuan Surface: screw color zinc plated + hex head outdoor paint Specifications: ST5.5, ST6.3, rod length 25mm～120mm in stock, supports nonstandard customization, suitable for drilling steel sheets 2～5mm Packaging: 25kg cartons, whole wooden pallets

Read More
Countersunk Head Cross Blue-White Zinc Plated Drywall Screw

Countersunk Head Cross Blue-White Zinc Plated Drywall Screw

Brand: Hengzuan Surface: blue and white zinc plated Specifications: in stock 3.5/3.9/4.2 mainstream wire diameter, rod length 16mm~80mm full size range in stock, supports nonstandard length customization; fine/coarse tooth types are available Packaging: 25kg export cartons, full pallets wrapped with film, supports neutral export packaging, private-label customization

Read More

Roofing tek screw features that change the price

Specification guide

Review roofing tek screws by point type, diameter and length, head drive, washer construction, corrosion-resistant finish, thread design and packing format. The right combination depends on the support material, panel assembly and exposure; confirm each item against the application rather than selecting only by the lowest quoted price.

Criterion What To Check Why It Matters Buyer Tip
Drilling point matched to roof support Confirm whether the screw is for thin metal purlins, heavier steel, or timber battens, and match the drill point or thread style to that substrate. A cheaper Tek screw with the wrong point can spin, burn the point, fail to drill, or leave a loose fixing even if the length looks right. Ask: What roof support material and thickness is this price based on, and is the drilling point suitable for it?
Screw length and washer seating Compare the quoted length with the roof sheet profile, insulation or spacer thickness, washer position, and required thread engagement. Price changes with length, but cutting length too close can cause leaks, poor pull-down, or weak engagement into the structure. Ask: For this panel build-up, what screw length allows the washer to seal without bottoming out or over-compressing?
Washer type and sealing material Check washer diameter, metal backing, rubber material, and whether the washer is supplied assembled with the screw. The washer often decides leak resistance. Two screws with the same diameter and length may not perform the same if the washer differs. Ask: Is the quoted price for screws with bonded sealing washers included, and what washer size and material are being quoted?
Coating for the roof environment Identify the finish being priced and whether it suits indoor roofing, general outdoor exposure, coastal air, or contact with treated timber or dissimilar metals. Lower-cost coatings may be acceptable for dry interior use but can shorten service life on exposed roofs. Ask: Which coating is included in this price, and is it suitable for the project location and roof material?
Pack size, order quantity, and quotation basis Compare prices by the same unit, such as per piece, per thousand pieces, or per carton, and confirm packaging, taxes, and freight terms separately. A Tek screw for roofing price can look lower because it excludes washers, uses bulk packaging, or quotes a different quantity break. Ask: Can you quote the exact specification per 1,000 pieces with washer, coating, packaging, and delivery terms shown separately?

How to compare a roofing tek screw quotation

The main practical distinction is between a self-drilling roofing screw for steel supports and a sharp-point roofing screw intended to penetrate timber or another softer backing. Self-drilling points can reduce the need for a pilot hole in suitable steel, while sharp points are generally selected for wood-based supports. The correct choice affects installation, holding performance and the risk of damaging the panel.

Compare quotes on the same basis: identical diameter and length, head style, washer material, finish, point type, packing unit and order quantity. Ask whether the quoted price includes the sealing washer and confirm the price basis, such as per piece, box or carton.

Match the screw to the support. State whether the screw passes through a metal roofing panel into light-gauge steel, a heavier steel section or timber. Also describe the panel profile and the combined material thickness. These details determine the useful screw length, point design and thread form; choosing by panel thickness alone is a common mistake.

Check the sealing system. The washer should suit the roofing environment and the fastener head. Ask whether it is supplied as part of the assembly and what material it uses. A poor washer match, damaged seal or excessive tightening can create a leak path even when the screw length appears correct.

Compare corrosion protection with the exposure. Indoor storage, ordinary outdoor roofing and more demanding environments do not place the same requirements on the finish. Ask for the coating or material description and any available product documentation rather than comparing a bare unit price with a coated assembly. Do not substitute a decorative finish for a finish selected for the roof environment.

Request a like-for-like quotation. Send the support material, panel type, screw dimensions or drawing, head and washer preference, finish, required quantity and packing requirement. Ask Hebei Wotu Fastener Manufacturing Co., Ltd. to confirm the price unit, included components, available customization and delivery terms before comparing the offer with another quotation.

Criteria Importance Description Example Options
Support material and point type This is a primary fit decision because steel and timber require different penetration and thread behaviour. Match a self-drilling point to an appropriate steel application and a sharp point to timber or another softer backing. Consider the total material thickness, not just the panel thickness. A panel fixed to a steel support may be quoted with a drilling point, while a panel fixed to timber may require a sharp point.
Washer and sealing assembly Important for reducing water-entry risk at the penetration and for comparing complete fixing costs. Check whether the washer is included, whether its material suits the exposure, and whether it matches the fastener head. Compare the complete screw-and-washer assembly rather than a screw without its sealing component. Two quotations may show the same screw dimensions, but only one may include the sealing washer.
Diameter, length and usable thread engagement These dimensions affect fit, holding engagement and the risk of selecting a fastener that is too short or unnecessarily long. Specify the panel and support stack-up, the required engagement and any clearance or penetration limits. Do not select by roof-panel thickness alone. A thin panel over a substantial support may need a different length from a similar panel over a thinner support.
Finish and exposure The finish should reflect the roof environment; a decorative appearance alone does not establish corrosion suitability. State whether the application is sheltered, ordinary outdoor roofing or exposed to more demanding conditions. Ask for the coating or material description and relevant product documentation. A finish selected for indoor storage should not automatically be treated as equivalent to one intended for exposed roofing.
Quotation basis, quantity and packing This is essential for a fair price comparison because unit prices can change with quantity, packaging and included components. Confirm whether the price is per piece, box or carton, the quantity used for the quotation, the packing format and whether washers are included. Keep these terms consistent when comparing offers. A box price and a per-piece price cannot be compared directly unless the box quantity and included parts are clear.

Product Selection

Related Options

For a roof panel fixed to steel, give priority to a compatible drilling point and a washer that forms a reliable seal. For panel-to-timber work, focus instead on the sharp point, thread engagement and usable length. Any product comparison should keep these application details constant so the price reflects comparable fasteners.

Blog Articles / Reviews

How to Specify Countersunk Head Cross Thick Thread Fiberboard Screws for Furniture Assembly Projects

How to Specify Countersunk Head Cross Thick Thread Fiberboard Screws for Furniture Assembly Projects

Fiberboard screws are selected based on more than screw size alone. For furniture assembly and board-based applications, buyers need to match the screw structure with the characteristics of fiberboard, MDF, and similar engineered wood materials. A suitable specification should consider thread design, head style, screw length, diameter, installation method, and application requirements. For buyers sourcing […]

How Should Buyers Evaluate Self Tapping Screws for Project Procurement?

How Should Buyers Evaluate Self Tapping Screws for Project Procurement?

#4 self tapping screws should not be purchased from the “#4” designation alone. For a usable B2B specification, the buyer still needs the actual screw diameter, thread form or pitch, overall length, substrate, pilot-hole condition, head and drive style, material, surface finish and quantity. This matters because suppliers may use different naming systems. Wotu Fastener’s […]

Which Self-Tapping Roofing Screw Specification Fits Metal Panels on Steel or Timber?

Which Self-Tapping Roofing Screw Specification Fits Metal Panels on Steel or Timber?

The correct self-tapping roofing screw depends on the complete panel-and-substrate stack-up. Steel supports typically require a point and thread matched to the support thickness and any pilot-hole requirement; timber supports require a wood-appropriate thread and sufficient embedment. In both cases, buyers must define diameter, length, head, sealing washer, material or coating, environment, pull-out requirements, and […]

Why Do Self-Tapping Roofing Screws Leak Even When the Screw Length Looks Correct?

Why Do Self-Tapping Roofing Screws Leak Even When the Screw Length Looks Correct?

Direct answer: Correct screw length does not guarantee a watertight metal-roof connection. Self tapping roofing screws can leak because of incorrect washer compression, enlarged or stripped holes, insufficient thread engagement, panel movement, or an unsuitable coating-and-washer system. Buyers should diagnose the complete installed connection—including panel profile, support thickness, point type, washer condition, and exposure—rather than […]

Which Hexagonal Wood Screw Specifications Should Buyers Freeze Before Production?

Which Hexagonal Wood Screw Specifications Should Buyers Freeze Before Production?

A hexagonal wood screw order should not be released from a gauge number and length alone. Before production, the buyer and supplier need one approved specification that fixes the screw diameter, length basis, thread geometry, point, hex-head dimensions, material, finish, installation method, substrate and acceptance evidence. The pilot hole belongs in the application specification as […]

Rust Prevention Tips for Self-Drilling Screws

Rust Prevention Tips for Self-Drilling Screws

As we all know, the simplest way to prevent self-drilling screws from rusting is to properly isolate the screws from moisture-containing and humid environments. This can be achieved through selective application of protective coatings and sealants, or by purchasing specially formulated rust-resistant or rust-proof screws. This is why many businesses and households have rust prevention […]

Frequently Asked Questions

Which roofing screw point should I choose for steel or timber supports?

A self-drilling point is generally considered for fastening through a roofing panel into suitable steel, while a sharp point is commonly used where the screw engages timber or another softer support. Confirm the support material, combined thickness and panel profile before comparing prices.

Can the lowest unit price still be the more expensive option?

Yes. A low quotation may exclude the sealing washer, use a finish that does not suit the exposure, or be based on a different packing unit or quantity. Compare complete assemblies on the same price basis rather than comparing screw-only prices.

Does a correct screw length guarantee a leak-free fixing?

No. Water entry can result from a mismatched or damaged washer, incorrect head-and-washer fit, poor positioning or excessive tightening. The seal and installation conditions matter alongside the screw length.

What information should I send for an accurate quotation?

Provide the panel material and profile, support material, combined material thickness, required diameter and length or a drawing, point and head preferences, finish, washer requirement, quantity and packing format. Also ask whether the quoted amount is per piece, box or carton and which components are included.

Is a roofing screw with a washer always better than one without?

A washer is normally relevant where the fixing must seal a roofing panel, but its material, size and compatibility with the head and roof environment still need checking. A washer does not compensate for an unsuitable screw point, incorrect length or over-tightened installation.

Related Search

20 feet roofing sheet price 4 12 feet roofing sheet price 12 feet roofing sheet price 2 inch screw price 400 hex washer head self-drilling tek screw allen grub screw 6mm screw 4 screw 3mm screw 8mm anchor fastener price

Leave Your Message

Tell us the roof panel and support material, the required screw dimensions or drawing, and the expected quantity. Please also state the preferred finish and whether a sealing washer must be included.