Buy construction screws wholesale through Jorkli's inquiry-only catalogue. For trade counters, maintenance buyers and site purchasing across the United States, the fastener family separates timber screws from sheet-metal and machine-thread hardware. Jorkli is based in Austin, Texas.
The fastener must engage something suitable. A familiar drive is useful, but it cannot make a timber thread correct for a tapped hole. These groups describe that first decision; the rows below identify what remains to be checked.
Coarse-thread construction screws with a Torx drive and corrosion-resistant coating suit stated timber fastening work. Specify the timber and its treatment. A coating description is not evidence that the screw suits every preservative or exterior exposure.
Overall length does not tell us how much thread engages the receiving timber. The attached board, any gap and the head's seating position use part of that length. Structural connections need the selected screw's technical data and an appropriate design, not a general catalogue substitution.
Read the wood-screw specificationDo not infer structural suitability.A general wood screw listing does not replace a specified structural screw. Keep the required product specification with the enquiry.
Enquiry basis Per box, confirmed on enquiry
A drill-point screw forms a hole before its thread engages suitable metal. This line is for sheet and support combinations where the point, thread and head match the actual assembly. Washer options belong to that selection, not to an assumption that every metal screw seals a roof.
Comparing suppliers of self-drilling screws? Send the support thickness as well as the visible sheet gauge. A point that passes easily through the first sheet may still be wrong for the steel behind it. Do not compensate for a mismatched drill point by adding pressure or changing the required fixing position.
Coating and contact metals need a separate check. Steel sheet, aluminum and exposed damp joints do not present identical corrosion conditions. Describe the environment and keep any specified material requirement intact.
A drill point is not a universal drilling capacity.The selected product's limits control use. Send measured thickness with units if the gauge designation is uncertain.
Enquiry basis Per box, confirmed on enquiry
For washer-backed roof assembliesMachine screws have a consistent thread intended for a matching nut or tapped hole. They suit assembly and replacement requests where the mating thread can be identified. They are not intended to find their own thread in timber just because the diameter looks close.
Use the full thread designation. Diameter without pitch leaves a critical gap, and metric and imperial hardware can appear similar at a glance. A screw that begins to turn is not proof of a match. Stop if a clean, correctly aligned thread binds rather than using the driver to force it.
Head form controls the length convention and seating surface. A countersunk head and a projecting head can call for different measurements even when both are described with the same nominal length. Give the existing head style and the available clearance.
Do not use force to identify a thread.A near match can damage the receiving component. State an existing part designation or measured thread before a substitute is considered.
Enquiry basis Per box, confirmed on enquiry
Matching nuts and load-spreading washers support assembly and replacement work around the screw or bolt. A nut needs the same thread system and pitch as the male fastener. A washer needs a suitable bore, outside diameter and thickness for the assembly, rather than merely a hole that passes over the thread.
A larger washer changes the bearing area but does not establish a load rating. It can also interfere with a recess or leave a nut with too little thread engagement. Identify the full stack of material under the head and nut when the fit is tight.
Material and coating should be considered with the mating fastener and surrounding metal. Send any required grade or finish as part of the specification. Jorkli does not identify a steel grade from a photograph of a silver surface.
State nuts and washers as separate quantities.A request for boxes does not imply that both items are packed together or supplied in equal counts.
Enquiry basis Per box, confirmed on enquiry
Check wrench and setter fitEach row changes the receiving material or the mating interface. These are selection checks, not a table of stocked sizes or rated capacities.
| Line | Receives the thread | Check first | Common wrong comparison |
|---|---|---|---|
| Wood screw | Stated timber | Thread engagement and treatment-compatible coating | Using total length as the embedded length |
| Self-drilling screw | Compatible sheet and metal support | Point capacity for the actual metal stack | Assuming a longer screw drills thicker steel |
| Machine screw | Matching nut or tapped component | Thread system and pitch | Matching only the outside diameter |
| Nut and washer | Mating fastener and bearing surface | Thread match and washer dimensions | Calling every washer with the same bore equivalent |
For example, a pitch in millimeters and a threads-per-inch description are different conventions, not interchangeable labels. This page intentionally gives no torque, load or pilot-hole figure: those belong to the specific product and application confirmed for the request.
A coated screw is not a stainless screw. Nor does the drive name tell you the bit size or a permitted tightening torque.
Interior dry work and weather-exposed work put different demands on a finish. Timber treatment and dissimilar metals can add compatibility questions. Specify the exposure instead of choosing by the appearance of a coating.
The right bit must seat fully in the selected drive. Dirt, wear or a near-fitting size can damage the recess. Check the exact size with the line and keep replacement bits in the same request where needed.
The item being attached is not the receiving material. Record their thicknesses separately. A washer or stand-off can change how much thread remains available even when the overall screw length has not changed.
If the job calls for a particular grade or approved connection detail, send that requirement. A catalogue family is a route to ask about the component, not permission to remove a design requirement.
Wholesale construction fasteners enquiries work best when the part description and its quantity stay together. Several sizes can travel in one request without becoming one specification.
Send an enquiryNeed a live stock counter or an immediate retail checkout? This catalogue is not that route. It is for buyers who need a specification checked and a pack basis confirmed. If you only have a worn sample, describe what can be measured and what is unknown; uncertainty can be carried into an enquiry without pretending it is a complete specification.
Jorkli does not promise that a generic fastener can replace a specified structural connection. Load-critical work needs the appropriate design and product documentation. For substrate fixings instead of timber or machine threads, use the anchor family. For drill bits and cutting preparation, use consumables.
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