{"product_id":"high-head-loose-screw-304-stainless-steel-hand-screw-step-bolt-large-flat-head-knurled-half-tooth-screw-m3-m4","title":"M3\/M4 High Head Loose Screw 304 Stainless Steel Hand Screw Step Bolt Large Flat Head Knurled Half Tooth Screw Thread for Machinery \u0026 Equipment","description":"\u003cdiv id=\"offer-template-0\"\u003e\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eOur 304 Stainless Steel High Head Loose Screws (Thumb Screws) are professional hand-tightening fasteners engineered for convenience, durability, and precision. Available in M3 and M4 sizes, these step bolts feature a large flat head, knurled surface, and half-thread design—perfect for professionals and DIY enthusiasts needing tool-free, secure fastening for equipment, panels, instruments, and machinery.\u003c\/div\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e \u003c\/div\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eCrafted from premium 304 stainless steel, these hand screws offer exceptional corrosion resistance, rust protection, and structural strength, ensuring long-term performance in indoor, outdoor, and industrial environments. The 304 stainless steel construction makes them resistant to moisture, wear, and oxidation, making them ideal for use in machinery, electrical panels, and precision instruments that require reliable, long-lasting fasteners.\u003c\/div\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e \u003c\/div\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eFeaturing a knurled large flat head, these thumb screws are designed for easy hand tightening and loosening—no tools required. The knurled surface provides a non-slip grip, allowing for quick adjustments and secure torque application, while the high head and step bolt design ensures a stable, flush fit with the surface of your project. The half-thread design enhances stability, preventing the screw from slipping while maintaining flexibility for easy disassembly.\u003c\/div\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e \u003c\/div\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eDesigned as loose screws (thumb screws), these fasteners are versatile and widely used in equipment assembly, instrument maintenance, panel installation, machinery adjustment, and DIY projects. They are particularly suitable for scenarios where frequent tightening or loosening is needed, such as access panels, adjustable fixtures, and small machinery components.\u003c\/div\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e \u003c\/div\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eEach screw undergoes strict quality control to ensure precise sizing, smooth threading, and a consistent knurled finish. The combination of 304 stainless steel, half-thread design, and knurled high head delivers professional-grade performance, making these hand screws a reliable choice for all your tool-free fastening needs.\u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"Vichok Hardware","offers":[{"title":"M3*6","offer_id":46719946621105,"sku":"SCR00355-M3x6","price":0.28,"currency_code":"USD","in_stock":true},{"title":"M3*8","offer_id":46719946653873,"sku":"SCR00355-M3x8","price":0.3,"currency_code":"USD","in_stock":true},{"title":"M3*10","offer_id":46719946686641,"sku":"SCR00355-M3x10","price":0.32,"currency_code":"USD","in_stock":true},{"title":"M3*12","offer_id":46719946719409,"sku":"SCR00355-M3x12","price":0.34,"currency_code":"USD","in_stock":true},{"title":"M3*14","offer_id":46719946752177,"sku":"SCR00355-M3x14","price":0.36,"currency_code":"USD","in_stock":true},{"title":"M3*16","offer_id":46719946784945,"sku":"SCR00355-M3x16","price":0.42,"currency_code":"USD","in_stock":true},{"title":"M3*20","offer_id":46719946817713,"sku":"SCR00355-M3x20","price":0.5,"currency_code":"USD","in_stock":true},{"title":"M3*25","offer_id":46719946850481,"sku":"SCR00355-M3x25","price":0.64,"currency_code":"USD","in_stock":true},{"title":"M4*10","offer_id":46719946883249,"sku":"SCR00355-M4x10","price":0.32,"currency_code":"USD","in_stock":true},{"title":"M4*12","offer_id":46719946916017,"sku":"SCR00355-M4x12","price":0.34,"currency_code":"USD","in_stock":true},{"title":"M4*16","offer_id":46719946948785,"sku":"SCR00355-M4x16","price":0.4,"currency_code":"USD","in_stock":true},{"title":"M4*20","offer_id":46719946981553,"sku":"SCR00355-M4x20","price":0.5,"currency_code":"USD","in_stock":true},{"title":"M4*25","offer_id":46719947014321,"sku":"SCR00355-M4x25","price":0.6,"currency_code":"USD","in_stock":true},{"title":"M4*30","offer_id":46719947047089,"sku":"SCR00355-M4x30","price":0.7,"currency_code":"USD","in_stock":true},{"title":"M5*10","offer_id":46719947079857,"sku":"SCR00355-M5x10","price":0.56,"currency_code":"USD","in_stock":true},{"title":"M5*12","offer_id":46719947112625,"sku":"SCR00355-M5x12","price":0.6,"currency_code":"USD","in_stock":true},{"title":"M5*14","offer_id":46719947145393,"sku":"SCR00355-M5x14","price":0.66,"currency_code":"USD","in_stock":true},{"title":"M5*16","offer_id":46719947178161,"sku":"SCR00355-M5x16","price":0.74,"currency_code":"USD","in_stock":true},{"title":"M5*20","offer_id":46719947210929,"sku":"SCR00355-M5x20","price":0.8,"currency_code":"USD","in_stock":true},{"title":"M5*25","offer_id":46719947243697,"sku":"SCR00355-M5x25","price":0.88,"currency_code":"USD","in_stock":true},{"title":"M5*30","offer_id":46719947276465,"sku":"SCR00355-M5x30","price":0.96,"currency_code":"USD","in_stock":true},{"title":"M5*35","offer_id":46719947309233,"sku":"SCR00355-M5x35","price":1.1,"currency_code":"USD","in_stock":true},{"title":"M5*40","offer_id":46719947342001,"sku":"SCR00355-M5x40","price":1.24,"currency_code":"USD","in_stock":true},{"title":"M6*16","offer_id":46719947374769,"sku":"SCR00355-M6x16","price":1.02,"currency_code":"USD","in_stock":true},{"title":"M6*20","offer_id":46719947407537,"sku":"SCR00355-M6x20","price":1.1,"currency_code":"USD","in_stock":true},{"title":"M6*25","offer_id":46719947440305,"sku":"SCR00355-M6x25","price":1.24,"currency_code":"USD","in_stock":true},{"title":"M6*30","offer_id":46719947473073,"sku":"SCR00355-M6x30","price":1.38,"currency_code":"USD","in_stock":true},{"title":"M6*35","offer_id":46719947505841,"sku":"SCR00355-M6x35","price":1.56,"currency_code":"USD","in_stock":true},{"title":"M6*40","offer_id":46719947538609,"sku":"SCR00355-M6x40","price":1.74,"currency_code":"USD","in_stock":true},{"title":"M8*20","offer_id":46719947571377,"sku":"SCR00355-M8x20","price":1.38,"currency_code":"USD","in_stock":true},{"title":"M8*25","offer_id":46719947604145,"sku":"SCR00355-M8x25","price":1.56,"currency_code":"USD","in_stock":true},{"title":"M8*30","offer_id":46719947636913,"sku":"SCR00355-M8x30","price":1.8,"currency_code":"USD","in_stock":true},{"title":"M8*35","offer_id":46719947669681,"sku":"SCR00355-M8x35","price":2.08,"currency_code":"USD","in_stock":true},{"title":"M8*40","offer_id":46719947702449,"sku":"SCR00355-M8x40","price":2.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/7466\/1297\/files\/c2561dd08362f2e8351887eec521457e.jpg?v=1773883825","url":"https:\/\/vichokhardware.com\/products\/high-head-loose-screw-304-stainless-steel-hand-screw-step-bolt-large-flat-head-knurled-half-tooth-screw-m3-m4","provider":"Vichok Hardware","version":"1.0","type":"link"}