Jnb Pro Wood Countersink Drill Bit Set, 5Pc #4 (7/64") #6, Tapered Drill Bits Product Details ?Meet Your Demands?#4 (7/64") #6 (9/64") #8 (11/64") #10 (3/16") and #12 (7/32") 5 pieces of different sizes counter sink bits to meet all your drilling needs. The most commonly used sizes for cabinet, furniture makers and other wood working tasks. These are screw pilot bits drill precise, clean pilot holes in wood, plastic and composite materials. These tapered countersink drill bits are used for fast countersinking and counterboring in one operation producing countersink pilot holes for flush screws. ?M2 High Speed Steel 4 Flutes Black Oxide Finish?Made from M2 high-speed steel, each counter sink bits offers exceptional hardness and durability. The 4-flute design ensures smooth material removal and reduced heat build-up, while the black oxide finish provides the tapered countersink drill bits with corrosion resistance ensuring long-lasting sharpness and performance. ?1/4" Quick Change Hex Shank Adjustable Stop Collar?Our countersink set features a 1/4" universal hex shank that locks into quick-change tools secuurely ensuring the counter sink bit compatibility with all quick-change chucks, making bit changes fast and easy. The shanks fit corded and cordless drills, plus the set has an adjustable drill depth stop collar for tapered drill bits that allows setting of counterbore depth with an Allen wrench included. ?Multi-purpose?Our wood drill bits in sizes #4 #6 #8 #10 and #12 are used in wooden planks, hardwood, softwood, plywood, MDF, particleboard, and PVC. The #4 bit is ideal for delicate projects and small hardware, #6 excels in trim work and moldings, #8 is perfect for cabinetry and furniture making, #10 handles larger tasks like fixtures and #12 cabinet drill bit is designed for heavy-duty applications. ?Trusted Brand?JNB Pro is a trusted brand in the industry, known for providing high-quality tools. Our countersink drill bit set for wood is designed with reliability in mind, making it a dependable choice for professionals. Our counter sink drill bit for wood set includes: 5 pieces in sizes of #4 (7/64"), #6 (9/64"), #8 (11/64"), #10 (3/16") and #12 (7/32") with 2 stop collar, hex wrench a drill bit case/drill bit organizer Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.