{"product_id":"50pcs-m4-2-self-drilling-countersunk-screws-410-stainless-steel","title":"50pcs M4.2 Self-Drilling Countersunk Screws 410 Stainless Steel","description":"\n\u003ch2\u003e50-Pack M4.2 Self-Drilling Countersunk Screws – 410 Stainless Steel\u003c\/h2\u003e\n\u003cp\u003eGet the job done faster with these \u003cstrong\u003eM4.2 self-drilling countersunk screws\u003c\/strong\u003e from JARBLUE. Engineered from \u003cstrong\u003e410 stainless steel\u003c\/strong\u003e, these Grade 4.8 fasteners drill their own pilot hole as they drive, eliminating the need for pre-drilling in most metalworking and construction applications. The flat countersunk head sits flush for a clean, professional finish every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Drilling Tip:\u003c\/strong\u003e Built-in drill tail cuts through material quickly without a separate pilot hole\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e410 Stainless Steel:\u003c\/strong\u003e Corrosion-resistant, high-strength material ideal for indoor and outdoor projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountersunk Flat Head:\u003c\/strong\u003e Sits flush with the surface for a neat, snag-free finish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhillips Cross Drive:\u003c\/strong\u003e Compatible with all standard Phillips\/cross-head screwdrivers and power bits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade 4.8 Strength:\u003c\/strong\u003e Reliable holding power for a wide range of metalworking, woodworking, and construction tasks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets international quality and safety standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e50-Piece Lot:\u003c\/strong\u003e Generous pack size keeps your workshop stocked for multiple projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eM4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e410 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e4.8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eHead Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eFlat \/ Countersunk\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eDrive Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003ePhillips (Cross Bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eScrew Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eSelf-Drilling \/ Self-Tapping\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e50 Pieces per Lot\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Do these M4.2 self-drilling screws require pre-drilling a pilot hole?\u003c\/h4\u003e\n\u003cp\u003eA: No! The specially designed drill-tail tip on these M4.2 self-drilling screws allows them to bore their own hole as they are driven into the material, saving you time and eliminating the need for a separate pre-drilling step in most metalworking and sheet metal applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What type of screwdriver or bit do these Phillips countersunk screws use?\u003c\/h4\u003e\n\u003cp\u003eA: These screws feature a standard Phillips (cross-bit) drive, compatible with any Phillips #2 screwdriver, manual driver, or power drill bit — tools you likely already have in your workshop.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these stainless steel self-drilling screws suitable for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 410 stainless steel construction provides strong corrosion resistance, making these screws a reliable choice for both indoor and outdoor metalworking, roofing, cladding, and construction projects.\u003c\/p\u003e\n\u003ch4\u003eQ: How many screws come in each pack?\u003c\/h4\u003e\n\u003cp\u003eA: Each lot contains 50 pieces of M4.2 self-drilling countersunk screws, giving you a generous supply for multiple tasks on a single order.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do these M4.2 self-drilling screws require pre-drilling a pilot hole?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No! The specially designed drill-tail tip on these M4.2 self-drilling screws allows them to bore their own hole as they are driven into the material, saving you time and eliminating the need for a separate pre-drilling step in most metalworking and sheet metal applications.\"}}, {\"@type\": \"Question\", \"name\": \"What type of screwdriver or bit do these Phillips countersunk screws use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These screws feature a standard Phillips (cross-bit) drive, compatible with any Phillips #2 screwdriver, manual driver, or power drill bit — tools you likely already have in your workshop.\"}}, {\"@type\": \"Question\", \"name\": \"Are these stainless steel self-drilling screws suitable for outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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