{"product_id":"mc40a-1-8-shank-cnc","title":"Genmitsu MC40A 1\/8in Shank CNC Router Bit Set, 40pcs","description":"\n\u003ch2\u003eGenmitsu MC40A 1\/8in Shank CNC Router Bit Set, 40pcs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenmitsu MC40A\u003c\/strong\u003e is a 40-piece CNC cutter, milling, and carving bit set for desktop CNC routers that use \u003cstrong\u003e1\/8in \/ 3.175mm shank\u003c\/strong\u003e tools. The set combines 2-flute spiral flat nose bits, 2-flute ball nose bits, nano blue coated end mills, and titanium coated end mills for general cutting, engraving, profiling, and detail work.\u003c\/p\u003e\n\u003cp\u003eThe mixed cutter selection gives users a practical starter and replacement kit for wood, plastic, acrylic, PCB material, aluminum, and other compatible materials when feeds, speeds, chip evacuation, and machine rigidity are set correctly. With 40 cutters in one set, MC40A is useful for switching between roughing, finishing, detail carving, and contour operations without relying on only one cutter style.\u003c\/p\u003e\n\u003cp\u003eFor related CNC tooling, compare the \u003ca href=\"https:\/\/openelab.io\/products\/mc10a-1-4-shank-general\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eGenmitsu MC10A 1\/4in Router Bit Set\u003c\/strong\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/openelab.io\/products\/sn07a-4mm-shank-3-flute\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eGenmitsu SN07A Aluminum End Mill Set\u003c\/strong\u003e\u003c\/a\u003e, and \u003ca href=\"https:\/\/openelab.io\/products\/end-mills-cnc-router-bits\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eMRBC08 CNC Router Bits\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGenmitsu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMC40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e101-61S-MC40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool Type\u003c\/td\u003e\n\u003ctd\u003eCNC cutter, milling, carving, and router bit set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e40 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank Diameter\u003c\/td\u003e\n\u003ctd\u003e1\/8in \/ 3.175mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eUltra-fine tungsten carbide steel alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eNano blue coating and titanium coating on selected cutters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Cutter Groups\u003c\/td\u003e\n\u003ctd\u003e10 spiral flat nose end mills, 10 spiral ball nose end mills, 10 nano blue coated end mills, and 10 titanium coated end mills\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlute Count\u003c\/td\u003e\n\u003ctd\u003e2-flute spiral flat nose and 2-flute ball nose bits included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter Range\u003c\/td\u003e\n\u003ctd\u003e0.8mm to 3.0mm coated end mills, plus 3.175mm flat nose and ball nose cutters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoated End Mill Diameters\u003c\/td\u003e\n\u003ctd\u003e0.8mm, 1.0mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm, 2.0mm, 2.2mm, 2.5mm, and 3.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutting Length Reference\u003c\/td\u003e\n\u003ctd\u003e17mm listed for the main MC40A cutter groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length Reference\u003c\/td\u003e\n\u003ctd\u003e38mm listed for the main MC40A cutter groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Workflow\u003c\/td\u003e\n\u003ctd\u003eRouting, milling, engraving, carving, profiling, detail cutting, and finishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial Compatibility\u003c\/td\u003e\n\u003ctd\u003eWood, plastic, acrylic, PCB material, aluminum, and selected precision-processing materials depending on cutter choice and machine setup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMachine Compatibility\u003c\/td\u003e\n\u003ctd\u003eDesktop CNC routers and compatible CNC machines with a 1\/8in \/ 3.175mm collet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStore-Listed Product Weight\u003c\/td\u003e\n\u003ctd\u003e0kg in current Shopify data; confirm packed weight if shipping calculation requires it\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIntegration Notes \u0026amp; Hardware Guidance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet fit:\u003c\/strong\u003e Use a clean 1\/8in \/ 3.175mm collet and check tool runout before cutting, especially with smaller-diameter cutters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose the cutter type:\u003c\/strong\u003e Use flat nose bits for slotting and flat-bottom work, ball nose bits for rounded contours, and coated end mills for finer diameter options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTune feeds and speeds:\u003c\/strong\u003e Start conservatively and adjust depth of cut, feed rate, and spindle speed according to chip quality, finish, machine rigidity, and material hardness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl chips and heat:\u003c\/strong\u003e Use suitable dust extraction, air assist, lubricant, or cooling based on the work material and cutter type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure the stock:\u003c\/strong\u003e Confirm workholding and toolpath clearance before machining to avoid cutter breakage, chatter, or fixture contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor compatible setup items, see the \u003ca href=\"https:\/\/openelab.io\/products\/er11-spring-collet-set-1\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eER11 Spring Collet Set\u003c\/strong\u003e\u003c\/a\u003e and \u003ca href=\"https:\/\/openelab.io\/products\/genmitsu-cnc-3018-prover-kit\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eGenmitsu 3018-PROVer CNC Router Kit\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003ePacking List\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-flute spiral flat nose end mills\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e1\/8in \/ 3.175mm shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-flute spiral ball nose end mills\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e1\/8in \/ 3.175mm shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNano blue coated end mills\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e0.8mm to 3.0mm cutting diameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTitanium coated end mills\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e0.8mm to 3.0mm cutting diameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective packaging\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003ePackaging may vary by shipment batch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What shank size does MC40A use?\u003c\/strong\u003e\u003cbr\u003eA: The MC40A set uses a 1\/8in \/ 3.175mm shank.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many bits are included?\u003c\/strong\u003e\u003cbr\u003eA: The set includes 40 CNC cutter, milling, and carving bits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What cutter types are included?\u003c\/strong\u003e\u003cbr\u003eA: It includes spiral flat nose end mills, spiral ball nose end mills, nano blue coated end mills, and titanium coated end mills.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What cutting diameters are included?\u003c\/strong\u003e\u003cbr\u003eA: The coated end mill groups include 0.8mm, 1.0mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm, 2.0mm, 2.2mm, 2.5mm, and 3.0mm diameters, plus 3.175mm flat nose and ball nose cutters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can these bits cut aluminum?\u003c\/strong\u003e\u003cbr\u003eA: They can be used for aluminum when the machine, collet, feed rate, spindle speed, chip evacuation, and depth of cut are appropriate. Start conservatively and test on scrap material.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which collet should I use?\u003c\/strong\u003e\u003cbr\u003eA: Use a 1\/8in \/ 3.175mm collet that matches the tool shank and inspect the collet for cleanliness and wear before tightening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is MC40A better for general use than a single-bit pack?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the mixed 40-piece selection provides more cutter shapes and diameters for different CNC routing, carving, and finishing tasks.\u003c\/p\u003e\n","brand":"Genmitsu","offers":[{"title":"Default Title","offer_id":45830095175878,"sku":"101-61S-MC40A","price":92.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/0050\/4774\/files\/101-60B-001_01.webp?v=1778309352","url":"https:\/\/openelab.io\/it\/products\/mc40a-1-8-shank-cnc","provider":"OpenELAB Technology Ltd.","version":"1.0","type":"link"}