{"product_id":"bochu-boci-cutting-head-protective-lens-d21-5-2","title":"BOCHU BOCI Upper Protective Lens D21.5×2","description":"\u003cp\u003eOriginal BOCHU BOCI D21.5×2 upper protective lenses for the listed BLT cutting-head configurations. This page includes four distinct configurations. Confirm the upper position, original part number and matching BLT model before selecting a variant; use the listed power only as a cross-check.\u003c\/p\u003e\u003ch2\u003ePart Numbers and Matching Models\u003c\/h2\u003e\r\n\u003ctable style=\"border-collapse: collapse; width: 573px;\" border=\"0\" width=\"1052\" cellspacing=\"0\" cellpadding=\"0\"\u003e\r\n\u003ccolgroup\u003e \u003ccol style=\"width: 259.5px;\" width=\"467\"\u003e \u003ccol style=\"width: 312.5px;\" width=\"585\"\u003e \u003c\/colgroup\u003e\r\n\u003ctbody\u003e\r\n\u003ctr style=\"height: 51.00pt;\"\u003e\r\n\u003ctd class=\"et4\" style=\"height: 51.00pt; width: 350.40pt;\" width=\"467\" height=\"68\"\u003ePART NUMBER\u003c\/td\u003e\r\n\u003ctd class=\"et4\" style=\"width: 439.10pt;\" width=\"585\"\u003eMATCHING MODEL\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 51.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 51.00pt;\" height=\"68\"\u003eD21.5×2-4（P.S.B0041）\u003cspan style=\"mso-spacerun: yes;\"\u003e    \u003c\/span\u003e≤15kw\u003c\/td\u003e\r\n\u003ctd class=\"et11\" style=\"width: 439.10pt;\" width=\"585\"\u003eBLT420、BLT420S、BLT421、BLT421T、BLT440F、BLT441、BLT441T、BLT641、BLT641H(15KW)、BLT640\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eD21.5×2-6（DP.V.P0001AA） ≤20kw\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT460F、BLT461、BLT461T、BLT661、BLT661H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eD21.5×2-8（DP.V.P0006AA） ≤30kw\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT481、BLT681H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eD21.5×2-10（DP.V.P0010AA）≤40kw\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT4101、BLT6101H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003ch2\u003eHow to Select the Correct Variant\u003c\/h2\u003e\u003cp\u003eConfirm the upper position and D21.5×2 size, then match the original part number and BLT model. Power is a supporting cross-check, not the primary selection method.\u003c\/p\u003e\u003ch2\u003eWhy Correct Selection Matters\u003c\/h2\u003e\u003cp\u003eFour configurations share the same D21.5×2 dimensions. The same dimensions do not establish interchangeability.\u003c\/p\u003e\u003ch2\u003eWhy Buy From BOCHU.store\u003c\/h2\u003e\u003cp\u003eThe four listed part-number and BLT model groups are shown together for verification before ordering. If the original part number is unclear, use the package label or cutting-head nameplate for confirmation.\u003c\/p\u003e\u003ch2\u003eQuick Answers\u003c\/h2\u003e\u003ch3\u003eAre all D21.5×2 lenses interchangeable?\u003c\/h3\u003e\u003cp\u003eNo. Match the part number and model.\u003c\/p\u003e\u003ch3\u003eShould I choose by power?\u003c\/h3\u003e\u003cp\u003eNo. Use the listed power only as a cross-check.\u003c\/p\u003e\u003ch3\u003eWhat if I cannot identify the original part number?\u003c\/h3\u003e\u003cp\u003eSend a clear photo of the package label or cutting-head nameplate for confirmation.\u003c\/p\u003e\u003cp\u003eBrowse \u003ca href=\"https:\/\/www.bochu.store\/collections\/bochu-boci-laser-upper-protective-lens\" title=\"BOCHU BOCI Upper Protective Lenses\"\u003eUpper Protective Lenses\u003c\/a\u003e.\u003c\/p\u003e","brand":"BOCHU","offers":[{"title":"D21.5×2-4（P.S.B0041）    ≤15kw","offer_id":42389166948388,"sku":null,"price":178.0,"currency_code":"SAR","in_stock":true},{"title":"D21.5×2-6（DP.V.P0001AA） ≤20kw","offer_id":42389166981156,"sku":null,"price":203.0,"currency_code":"SAR","in_stock":true},{"title":"D21.5×2-8（DP.V.P0006AA） ≤30kw","offer_id":42389167013924,"sku":null,"price":220.0,"currency_code":"SAR","in_stock":true},{"title":"D21.5×2-10（DP.V.P0010AA）≤40kw","offer_id":42389167046692,"sku":null,"price":237.0,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/2930\/7940\/files\/bochu-boci-upper-protective-lens-d21-5-2-640.webp?v=1785128384","url":"https:\/\/www.bochu.store\/en-sa\/products\/bochu-boci-cutting-head-protective-lens-d21-5-2","provider":"BOCHU Online Store","version":"1.0","type":"link"}