{"product_id":"machine-screws-phil-pan-18-8-stainless-black-oxide-ms51957-4-40x1-1-4_ms51957-22bkc","title":"#4-40 X 1-1\/4\" Machine Screws | Pan Head | Phillips Drive | 18\/8 Stainless Steel Black Oxide (2000\/Pkg.)","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eProduct family:\u003c\/b\u003e Mil-Spec Machine Screws\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart number:\u003c\/b\u003e MS51957-22B\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Phillips\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead style:\u003c\/b\u003e Pan head\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Black oxide\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 4-40\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eQuantity per package:\u003c\/b\u003e 2000\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCorrosion-resistant 18\/8 stainless steel\u003c\/b\u003e for durability in exposed environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBlack oxide finish\u003c\/b\u003e provides a low-gloss appearance suitable for dark enclosures and panels.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePhillips drive\u003c\/b\u003e enables use with common screwdrivers and drivers for consistent seating.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePan head\u003c\/b\u003e distributes load over a broad bearing surface, reducing deformation in thin materials.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e4-40 thread\u003c\/b\u003e supports compact, precise fastening in small assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength of 1-1\/4 inch\u003c\/b\u003e suits assemblies with limited clearance and provides secure thread engagement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eHead style:\u003c\/b\u003e Pan head\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Phillips\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Black oxide\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 4-40\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/4 inch\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIndustry Used In\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eElectronics enclosures and instrumentation panels\u003c\/li\u003e \u003cli\u003ePrecision small machinery and robotics assemblies\u003c\/li\u003e \u003cli\u003eCabinetry and fine carpentry requiring durable, low-gloss fasteners\u003c\/li\u003e \u003cli\u003ePrototype development and hobby electronics with clean, professional finishes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50344817623319,"sku":"MS51957-22BKC","price":303.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/MS51957-83KC_cf66e91c-84c4-4bc9-aaa7-a917d5daebb4.webp?v=1747422843","url":"https:\/\/mutualscrew.com\/products\/machine-screws-phil-pan-18-8-stainless-black-oxide-ms51957-4-40x1-1-4_ms51957-22bkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}