{"product_id":"9-pcs-countersink-drill-bit-set-diy-woodworking-drill-bits","title":"9 PCS Countersink Drill Bit Set, DIY Woodworking Drill Bits","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCOMPLETE BITS KIT1\/8\"×3\/8\", 9\/64\"×3\/8\", 5\/32\"×3\/8\", 11\/64\"×1\/2\", 3\/16\"×1\/2\". Matched with an adjustable depth stop collar, hex wrench and screwdriver bit with 1\/4\" hex shank, it supports one-step drilling and screw driving.\u003c\/li\u003e\n\u003cli\u003ePORTABLE STORAGE CASE All bits and accessories are placed in a sturdy storage case with independent compartments to keep tools organized, anti-collision and easy to carry. For smooth burr-free cutting edges, please run the drill at around 200 RPM low speed. This protective storage design effectively extends your drill bits’ service life for long-term woodworking use.\u003c\/li\u003e\n\u003cli\u003eDURABLE CARBIDE BITSCountersink cutters adopt TCT tungsten carbide tipped material, 30% sharper than ordinary carbon steel for chip-free clean 82° countersink holes. Paired with two-flute HSS M2 pilot bits, they resist bending and breaking to ensure stable drilling and long service life. The precision helical grinding design creates smooth counterbores, while the low-friction collar greatly reduces repeated abrasion during woodworking.\u003c\/li\u003e\n\u003cli\u003eWIDE MULTI-MATERIALVersatile drill bit set works perfectly on plywood, MDF, particle board, hardwood and aluminum. Ideal for pre-drilling pilot holes and recessed screw holes for furniture assembly, drawer slide mounting, deck building, cabinet fitting and home renovation. both professional carpentry jobs and daily DIY repair projects.\u003c\/li\u003e\n\u003cli\u003ePRECISE DEPTH CONTROLEquipped depth stop collar, it instantly stops rotation on wood ontact to prevent over-drilling, cutting surface wear by 90% and avoiding burn marks \u0026amp; scratches. The side-opening collar allows quick depth adjustment and bit replacement. With the included wrench, you can set drilling depth up to 1.3 inches and countersink depth 0–0.5 inches, delivering uniform flush screw holes for cabinet, shelf, hinge and furniture installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43357565681873,"sku":"BW-B0H55FTRR7","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71-aurj9hJL._SL1500.jpg?v=1790984545","url":"https:\/\/belmontwarehouse.com\/products\/9-pcs-countersink-drill-bit-set-diy-woodworking-drill-bits","provider":"Belmont Warehouse","version":"1.0","type":"link"}