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        Learn more by watching our Lerin LTSB-14 | SharpEdge Flat Spade Bit 14mm Heavy Duty video.

        Additional related video.

        Additional related video.

        Lerin | SharpEdge Flat Spade Bit 14mm Heavy Duty | High Carbon Steel Hex Shank

        The Lerin LTSB-14 is a 14mm flat spade bit for boring through timber with a corded or cordless drill. It is manufactured from high carbon steel with full-length heat treatment, and finished in black oxide to resist corrosion. The LTSB-14 carries a hex shank, a precision-ground centre point, and a chisel edge ground at a positive angle for fast starts in softwood and hardwood.

        Boring an oversized hole wastes effort and removes timber that the member would rather keep, particularly in studs and joists that carry load. The smaller diameters get reached for constantly on a rough-in, then blunt first because they take the most holes. The LTSB-14 opens a 14mm penetration for compact runs, and its full-length heat treatment resists the bending that punishes narrow bits under side load. The precision-ground centre point holds the mark instead of skating across the grain.

        A 14mm cut removes less timber than the larger diameters, so the drill draws less torque and the operator fights less kickback overhead. The hex shank seats securely in a chuck or hex bit holder rather than rotating in the jaws. Chip-clearing geometry clears waste steadily, which matters most in the narrower flutes where packed shavings would otherwise slow the cut.

        Features

        • 14mm cutting diameter — the smallest bit in the Lerin SharpEdge range, suited to compact timber penetrations that larger diameters would oversize.
        • High carbon steel construction — the LTSB-14 is manufactured from high carbon steel, which takes and holds a fine cutting edge in timber.
        • Full-length heat treatment — treated along the entire bit rather than the tip alone, which matters on narrow shafts subjected to side load.
        • Precision-ground centre point — the point bites where positioned and keeps the bit from skating as the cut commences.
        • Positively angled chisel edge — ground at a positive angle to start quickly in softwood and hardwood, including cuts against the grain.
        • Hex shank — seats in a standard drill chuck or hex bit holder and resists rotating in the jaws under load.
        • Black oxide finish — the coating on the LTSB-14 resists corrosion and reduces friction against the timber during the cut.
        • Chip-clearing geometry — waste evacuates from the hole rather than compacting behind the bit, reducing the load transmitted to the drill.
        • Lower torque demand — a 14mm cut displaces less material than larger diameters, so the drill works less through each penetration.
        • Hang hole — accepts a hook for storage, and takes a draw wire for pulling cable back through a freshly bored hole.
        • Timber cutting only — the LTSB-14 is a wood-boring bit and is not intended for masonry, steel, or tile.

        Where to use

        • Compact cable penetrations — the LTSB-14 bores the smaller holes through studs and noggings where a wider bit removes timber unnecessarily.
        • Data and communications runs — opens penetrations for lighter comms and control cabling routed through timber framing.
        • Ceiling joists and battens — drills through lighter framing members in roof cavities where a large hole would weaken the section.
        • Cabinetry and joinery — takes cable and small fixings through cabinet carcasses and timber joinery at fit-off.
        • Pilot and lead holes — the LTSB-14 opens a starter hole ahead of a larger bit on thick or awkward timber sections.
        • Renovation and maintenance work — handles the smaller everyday timber boring that comes up on service calls and retrofits.

        The LTSB-14 is a timber-boring bit and is not intended for masonry, steel, or tile. High carbon steel holds a fine edge in timber, so striking embedded nails or screws will blunt or chip the cutting edge. Inspect the cavity for existing services and hidden fixings before boring, and treat a damaged edge as a replacement rather than a repair.

        (LTSB-14)

        Choose 14mm when the run is compact and a wider hole would remove more timber than the job needs. Smaller penetrations preserve more of the member and draw less torque from the drill through each hole.

        The LTSB-14 is manufactured from high carbon steel and heat treated along its full length rather than at the tip alone. It is finished in black oxide, which resists corrosion and reduces friction during the cut.

        The bit has a hex shank, which seats in a standard drill chuck or a hex bit holder and resists rotating in the jaws. It runs from either a corded drill or a cordless drill.

        Sparky Direct stocks the Lerin SharpEdge range in 14mm, 18mm (LTSB-18), 20mm (LTSB-20), 22mm (LTSB-22), 25mm (LTSB-25), and 32mm (LTSB-32). A three-piece 20, 22 and 25mm set is available as LTSB-SET202225.

        The precision-ground centre point bites where it is positioned, which holds the bit on the mark as the cut begins. Starting at low speed and letting the point seat before increasing pressure gives the cleanest entry.

        The hang hole takes a hook for storage on a board or in a bag. It also accepts a draw wire, so cable can be pulled back through the penetration immediately after boring it.

        The LTSB-14 is a timber-boring bit and is not intended for masonry, steel, or tile. Striking embedded nails or screws will blunt or chip the edge, so check the cavity for hidden fixings and existing services first.

        The Lerin LTSB-14 is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.

        100-Day Fuss-Free Returns
        We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.

        • Items must be unused, with all parts, accessories, and original packaging.
        • We can’t accept returns if the product is damaged, incomplete, or not in resalable condition.
        • Proof of purchase is required.
        • Return shipping is the responsibility of the customer. 

        If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.

        All products come with a manufacturer’s or supplier’s warranty

        • Warranty starts from the Invoice Date
        • Some suppliers offer in-home warranties and handle claims directly, so you won’t need to uninstall or return the product. Chat with us to check if your product qualifies.
        • Sparky Direct isn’t responsible for losses caused by product failure.
        • Warranties are void if products aren’t installed by a licensed electrician.

        Damaged or Faulty Goods
        If your order arrives damaged or is faulty, let us know within 24 hours.

        • Sparky Direct will pay for return shipping via an emailed return label.
        • If the fault is confirmed, we will send you a replacement item or provide a refund.

        Contact us via our chat to arrange the return.

        Exclusions
        We can’t accept returns for:

        • Items that have been installed, modified, or used
        • Clearance, End of life, Discontinued, or special order items (unless faulty)
        • All PPE Items
        • Goods returned without original packaging or proof of purchase

        How to Request a Return

        1. Contact our customer service team with your order number.
        2. Confirm it’s eligible under our return or warranty policy.
        3. Pack the item securely and return it using a trackable service.
        4. Once we receive and inspect it, we’ll process your refund or replacement.

        Warranty starts from Invoice Date

        Warranty Method: Return to Sparky Direct

        These specifications and characteristics outline physical, mechanical, electrical details.

        Brand LERIN
        SKU LTSB-14
        Model # LTSB-14
        Barcode # 9309002686023
        Package Weight 0.046kg
        TYPE VALUE
        Type Tools
        Brand LERIN
        Range SharpEdge
        Size 14mm
        Material High Carbon Steel
        Shank Type Hex

        Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.

        Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.

        Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.

        Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.

        For website terms and conditions https://www.sparkydirect.com.au/terms-of-use

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