{"product_id":"le-b9707-1-air-chisel-needle-replacement-set-19-piece-hardened-steel","title":"LE-B9707-1 Air Chisel Needle Replacement Set — 19-Piece Hardened Steel","description":"\u003cdiv class=\"product-summary-tldr\" style=\"margin-bottom:20px;padding:16px;background:#f0fdf4;border-left:4px solid #16a34a;border-radius:0 8px 8px 0;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;font-weight:600;color:#15803d;\"\u003eProduct Summary\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px 0;\"\u003eThe LE-B9707-1 is a 19-piece, 3 mm × 22 cm hardened steel needle set for the LE LEMATEC LE-AN67 air needle scaler and the LE-AN324 air needle chisel. Welders, fabricators, and shop crews use these industrial rust removal replacement needles when tips mushroom, shorten, or bend and the scaler starts skipping.\u003c\/p\u003e\n\u003cp style=\"margin:0;font-style:italic;color:#166534;\"\u003eBest for: Replacing worn needles on air scalers. Keep a spare set on hand for uninterrupted rust removal work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 id=\"tinymce_scroll_sign\"\u003eReplacement Needles for Air Needle Scalers and Air Chisels\u003c\/h2\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003eMaintain peak surface preparation performance with these professional-grade replacement needles. Crafted from hardened steel and precision-matched for the LE LEMATEC LE-AN67 and LE-AN324, this 19-piece set ensures consistent rust removal and surface preparation.\u003c\/p\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003ePremium Steel:\u003c\/strong\u003e Hardened construction for extended life\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eComplete Set:\u003c\/strong\u003e 19 matched needles for even coverage\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e Compatible with LE-AN67 and LE-AN324 scalers\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eBalanced Weight:\u003c\/strong\u003e 2.1 lbs for controlled operation\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003ePrecise Length:\u003c\/strong\u003e 22cm for optimal striking action\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eEasy Install:\u003c\/strong\u003e Quick replacement design\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eCost Effective:\u003c\/strong\u003e Extends tool life and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eQuantity: 19 pieces\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eLength: 22cm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eWeight: 2.1 lbs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eMaterial: Hardened steel\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eCompatible: LE-AN67, LE-AN324 and standard 3 mm needle scalers\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eApplication: Rust\/paint removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003ePerfect for industrial cleaning, restoration, and surface preparation. Experience consistent surface preparation performance - Add to Cart now to maintain your pneumatic chisel tool's efficiency.\u003c\/p\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cstrong\u003eProfessional Quality Guarantee:\u003c\/strong\u003e Tested for durability and reliability.\u003c\/p\u003e\n\u003ch3\u003eHardened Steel Built for Industrial Rust Removal\u003c\/h3\u003e\n\u003cp\u003eThese are the consumable needles for a pneumatic needle scaler or air chisel — not the tool itself, but the wear part that does the actual work. All 19 needles are hardened steel, so the points resist mushrooming and keep cutting through repeated impact against rust, mill scale, weld slag and old paint.\u003c\/p\u003e\n\u003ch3\u003eWhat These Needles Are For\u003c\/h3\u003e\n\u003cp\u003eIndustrial rust removal and surface preparation: stripping corrosion from structural steel and frames, cleaning weld seams and slag, removing mill scale from plate, and taking paint and coatings off ironwork. Needle scaling lifts the corrosion while leaving the parent metal intact, which is why fabrication shops, welders, marine techs and bridge crews use it where a wire wheel skips and an angle grinder cuts too deep.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eDirect replacement set for the \u003cstrong\u003eLE LEMATEC LE-AN67\u003c\/strong\u003e air needle scaler and the \u003cstrong\u003eLE-AN324\u003c\/strong\u003e air needle chisel. The 3 mm needle diameter is the common industry size, so the set also fits most other air scalers using a standard 3 mm needle retainer. Replace all 19 together — mixing worn and new needles gives an uneven strike pattern and wears the retainer faster.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these needles compatible with other brand needle scalers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: These 19-piece needle sets use standard 3mm diameter hardened steel needles that fit most air needle scalers with standard needle retainers. They are specifically designed for the Le Lematec needle chisel tool but are dimensionally compatible with other brands using the same needle diameter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when needles need replacing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Replace needles when they become noticeably shorter (worn down more than 10mm from original length), bent, or when tips become mushroomed or flattened. Worn needles reduce surface preparation efficiency and can damage the retainer. Inspect needles before each use session for best results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix old and new needles in the same chisel tool?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It is best to replace all needles at once rather than mixing worn and new needles. Uneven needle lengths cause unbalanced impact patterns and can accelerate wear on the retainer. If budget is a concern, at minimum replace the shortest needles to maintain even length across the bundle.\u003c\/p\u003e\n\u003cdiv class=\"enhanced-features\" style=\"margin-top:20px;\"\u003e\n\u003ch3 style=\"color:#0f172a;font-size:1.1em;\"\u003eWhy Professionals Choose This Tool\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003e19-Piece Full Set:\u003c\/strong\u003e Always replace all needles together for consistent impact force and even surface coverage\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eHardened Steel Construction:\u003c\/strong\u003e Pre-hardened to maintain sharp tips through hundreds of hours of rust and scale removal\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eOEM Specifications:\u003c\/strong\u003e Exact Le Lematec dimensions — guaranteed drop-in fit with no modifications needed\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eProfessional Maintenance:\u003c\/strong\u003e Keep a spare set in your toolbox — when tips round off, swap the full set in 5 minutes and keep working\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"whats-in-box\" style=\"margin-top:25px;padding:18px;background:#fefce8;border:1px solid #eab308;border-radius:10px;\"\u003e\n\u003ch3 style=\"margin-top:0;color:#a16207;font-size:1.1em;\"\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003e19 hardened steel replacement needles\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003ePre-measured to OEM length and diameter\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eCompatible with Le Lematec needle scalers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"compatible-with\" style=\"margin-top:20px;padding:18px;background:#eff6ff;border:1px solid #3b82f6;border-radius:10px;\"\u003e\n\u003ch3 style=\"margin-top:0;color:#1d4ed8;font-size:1.1em;\"\u003eCompatible With\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 12px 6px 0;font-weight:600;color:#1e40af;vertical-align:top;white-space:nowrap;\"\u003eNeedle Scalers\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;color:#1e3a5f;\"\u003eLe Lematec LE-AN67, LE-AN324, and compatible models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 12px 6px 0;font-weight:600;color:#1e40af;vertical-align:top;white-space:nowrap;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;color:#1e3a5f;\"\u003eHardened steel — maintains point sharpness through extended use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use-cases\" style=\"margin-top:15px;padding:12px;background:#f0fdf4;border-radius:8px;\"\u003e\u003cp style=\"margin:0;font-size:0.95em;\"\u003e\u003cstrong\u003eIdeal Applications:\u003c\/strong\u003e needle chisel tool maintenance, replacement needles, tool refresh, spare parts, industrial consumables\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"extra-faqs\" style=\"margin-top:20px;\"\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:15px;\"\u003e\n\u003ch4 style=\"margin-bottom:5px;color:#1e293b;\"\u003eHow long do replacement needles last?\u003c\/h4\u003e\n\u003cp style=\"margin:0;color:#475569;\"\u003eWith normal use (4-6 hours per week), a set of needles lasts 3-6 months. In heavy industrial use (daily, 8+ hours), expect 1-3 months. Replace when tips become visibly rounded, mushroomed, or bent — worn needles reduce removal efficiency and can damage workpiece surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:15px;\"\u003e\n\u003ch4 style=\"margin-bottom:5px;color:#1e293b;\"\u003eCan I mix old and new needles?\u003c\/h4\u003e\n\u003cp style=\"margin:0;color:#475569;\"\u003eNot recommended. Old needles with rounded tips strike differently than sharp new needles, creating uneven surface removal. Always replace the complete set of 19 for consistent performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eRelated Guides \u0026amp; Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/pneumatic-tool-maintenance-care-guide\"\u003ePneumatic Tool Maintenance Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/pneumatic-tool-cfm-psi-requirements-chart\"\u003eCFM \u0026amp; PSI Requirements Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"related-products-links\" style=\"margin-top:20px;padding:15px;background:#f8f9fa;border-radius:8px;\"\u003e\n\u003ch3\u003eRelated Categories\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\u003ca href=\"\/collections\/pneumatic-hammer\" style=\"color:#2563eb;text-decoration:none;\"\u003e→ Pneumatic Hammers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\u003ca href=\"\/collections\/accessories\" style=\"color:#2563eb;text-decoration:none;\"\u003e→ Accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\u003ca href=\"\/collections\/air-tools\" style=\"color:#2563eb;text-decoration:none;\"\u003e→ All Air Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!-- pat-cross-sell-2026-06-10 --\u003e\u003ch3\u003eWorks with\u003c\/h3\u003e\u003cp\u003eFits the \u003ca href=\"\/products\/professional-air-needle-scaler-rust-remover-4500-bpm\"\u003eAN67 needle scaler\u003c\/a\u003e. Also see \u003ca href=\"\/products\/le-lematec-125-mm-long-10-2mm-diameter-shank-chisel-round-le-b68r\"\u003e125 mm air hammer chisels (4-pack)\u003c\/a\u003e for seam and gasket work.\u003c\/p\u003e","brand":"Pro Air Tools","offers":[{"title":"Default Title","offer_id":50514568577067,"sku":"LE-B9707-1-Needles","price":34.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/8086\/3275\/files\/le-lematec-le-b9707-1-replacement-needles-set-needle-scaler-hero_webp.jpg?v=1790514488","url":"https:\/\/diyhomeessentials.com\/products\/le-b9707-1-air-chisel-needle-replacement-set-19-piece-hardened-steel","provider":"DIY HomeEssentials","version":"1.0","type":"link"}