{"title":"BIG Daishowa","description":"\u003cp\u003eIndustrial surplus BIG Daishowa parts and equipment, in stock at MRO Exchange.\u003c\/p\u003e","products":[{"product_id":"big-daishowa-right-angle-head-cv50-ag90agh35-230-cat50-agh35-output-230-mm-gage-length-orientation-radial-coolant-through-02113","title":"BIG Daishowa CV50-AG90\/AGH35-230 Right Angle Head CAT50 AGH35 Output 230 mm Gauge Length Radial Coolant Through","description":"\u003cp\u003eThe BIG Daishowa CV50-AG90\/AGH35-230 is a 90-degree right angle head designed for CAT50 spindle machining centers. Manufactured by BIG Daishowa under the BIG Angle Head product line, this unit carries model designation PFH 470 R as noted on the nameplate alongside the primary part number CV50-AG90\/AGH35-230. The head features a 1:1 speed ratio and a forward maximum speed rating of 3,000 RPM as confirmed on the nameplate.\u003c\/p\u003e\n\n\u003cp\u003eThe CAT50 input shank interfaces directly with standard CAT50 spindles, while the output side accepts AGH35 series collet chuck adapters, providing a 35mm output bore. Gage length is 230mm. The modular build-up design positions the spindle bore face in line with the machine spindle centerline, a configuration that reduces interference with automatic tool changers and minimizes magazine storage conflicts. Coolant-through capability is supported per BIG Daishowa published specifications for this model series.\u003c\/p\u003e\n\n\u003cp\u003eRight angle heads in this configuration are used in horizontal and vertical machining center applications where perpendicular or offset machining operations are required without repositioning the workpiece. The assembly is constructed of hardened steel and aluminum alloy housings and includes the anti-rotation stop block mount visible in the photos. Serial number is not confirmed from visible photos.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0426-02113\u003c\/p\u003e","brand":"BIG Daishowa","offers":[{"title":"Default Title","offer_id":49624801804528,"sku":"m02113","price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/DD6FB34A-A93B-482E-94C2-E1ED54206F99.png?v=1785091704"},{"product_id":"big-daishowa-right-angle-head-bcv50-ag90nbs10w-230-cat50-nbs10w-collet-chuck-output-230-mm-gauge-length-orientation-radial-02114","title":"BIG Daishowa BCV50-AG90\/NBS10W-230 Right Angle Head CAT50 NBS10W Collet Chuck Output 230 mm Gauge Length Radial","description":"\u003cp\u003eThe BIG Daishowa BCV50-AG90\/NBS10W-230 is a 90-degree right angle head designed for use with BIG-PLUS CAT50 spindles. The model designation confirms a BIG-PLUS dual-contact CAT50 shank (BCV50), a fixed 90-degree output angle (AG90), and a New Baby collet chuck output in the 10W size with a 230 mm gauge length. Per the nameplate, the unit operates at a 1:1 speed ratio and is rated to a maximum of 6,000 RPM, with both forward and reverse rotation capability. The internal reference code MGH444RML is visible on the nameplate.\u003c\/p\u003e\n\n\u003cp\u003eBIG Daishowa angle heads of the AG90 NBS series are built with spiral bevel gears manufactured from hardened and ground chrome-nickel steel, super-precision spindles, and high-precision angular contact ball bearings. The New Baby collet system provides high repeatability for small-diameter tooling applications including drilling, tapping, and light milling in deep or hard-to-reach workpiece features.\u003c\/p\u003e\n\n\u003cp\u003eBIG Daishowa is a Japanese precision tooling manufacturer recognized globally as a premium brand in the CNC machining market. The BCV50-AG90\/NBS10W-230 is compatible with machining centers equipped with BIG-PLUS CAT50 spindles and suits shops requiring 90-degree reach capability from the primary spindle without repositioning the workpiece.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0426-02114\u003c\/p\u003e","brand":"BIG Daishowa","offers":[{"title":"Default Title","offer_id":49624808915184,"sku":"m02114","price":4499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/B448B44B-B2E7-42CF-AB67-0AB0FE001E4A.png?v=1785091614"},{"product_id":"big-daishowa-right-angle-head-bcv50-ag90nbs10-215-cat50-nbs10-collet-chuck-output-6000-rpm-max-orientation-radial-coolant-through-02115","title":"BIG Daishowa BCV50-AG90\/NBS10-215 Right Angle Head CAT50 NBS10 Collet Chuck Output 6000 RPM Max Radial Coolant Through","description":"\u003cp\u003eUsed in horizontal and vertical machining centers where access to confined or obstructed features requires a 90-degree output orientation, the Big Daishowa BCV50-AG90\/NBS10-215 is a BIG-PLUS CAT50 right angle head with an integrated New Baby Chuck collet system. The model designation BCV50-AG90\/NBS10-215 identifies the BIG-PLUS CAT50 taper input, 90-degree angle output, NBS10 collet chuck interface, and 215mm projection length. Nameplate data confirms a 1:1 speed ratio and a maximum spindle speed of 6,000 RPM. The NBS10 collet interface accepts New Baby Chuck collets for small-diameter tooling applications. The BIG-PLUS dual-contact spindle interface provides simultaneous taper and flange contact for enhanced rigidity and repeatability compared to standard V-flange tooling. Coolant is supplied through the locating pin per Big Daishowa AG90-series design. The adjustable output head incorporates a graduated rotation ring visible in photos, allowing angular positioning of the output spindle. Internal machine reference number MCH120RML is visible on the nameplate. Big Daishowa is a Japanese manufacturer recognized in the precision toolholding market for the BIG-PLUS spindle system and the AG90 angle head series, both widely used in aerospace, die and mold, and general machining applications.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0426-02115\u003c\/p\u003e","brand":"BIG Daishowa","offers":[{"title":"Default Title","offer_id":49624822710512,"sku":"m02115","price":4499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/44C35BE7-2B64-4371-BD16-7211913BBFAC.png?v=1785091601"},{"product_id":"big-daishowa-right-angle-head-bcv50-ag90nbs10w-230-cat50-nbs10w-collet-chuck-output-230-mm-gauge-length-orientation-radial-02116","title":"BIG Daishowa BCV50-AG90\/NBS10W-230 Right Angle Head CAT50 NBS10W Collet Chuck Output 230 mm Gauge Length Radial","description":"\u003cp\u003eA BIG-PLUS CAT50 right angle head from BIG Daishowa, model BCV50-AG90\/NBS10W-230. The unit uses BIG Daishowa's BIG-PLUS dual-contact spindle interface, which provides simultaneous taper and flange contact for improved rigidity and reduced runout compared to standard CAT50 tooling. The output chuck is a New Baby Super (NBS10W) collet system, offering high-precision clamping for small-diameter tooling. The nameplate confirms a 1:1 speed ratio and a maximum rotational speed of 6,000 RPM in both forward and reverse directions. The 90-degree output orientation allows machining of features on faces perpendicular to the main spindle axis without repositioning the workpiece. Gauge length is 230 mm. The body housing carries the internal reference LBH144RML and bears BIG Daishowa's \"BIG PLUS SPINDLE SYSTEM\" engraving on the shank collar. Output end carries a Daishowa-marked New Baby collet nut assembly. BIG Daishowa angle heads in the AG90 series are widely used in horizontal and vertical machining centers for cross-drilling, tapping, milling, and key slotting in hard-to-reach workpiece geometry.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0426-02116\u003c\/p\u003e","brand":"BIG Daishowa","offers":[{"title":"Default Title","offer_id":49624827691248,"sku":"m02116","price":4499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/35E797AE-7113-400A-A329-52259257E53A.png?v=1785091606"},{"product_id":"big-daishowa-right-angle-head-bcv50-ag90nbs10-215-cat50-nbs10-collet-chuck-output-6000-rpm-max-orientation-radial-coolant-through-02117","title":"BIG Daishowa BCV50-AG90\/NBS10-215 Right Angle Head CAT50 NBS10 Collet Chuck Output 6000 RPM Max Radial Coolant Through","description":"\u003cp\u003eBIG Daishowa BCV50-AG90\/NBS10-215 is a 90-degree right angle head with a BIG-PLUS CAT50 shank interface, designed for use in vertical and horizontal machining centers where access to angled or perpendicular features is required without repositioning the workpiece. The nameplate confirms model number BCV50-AG90\/NBS10-215 and internal reference LFH508RML. Speed ratio is 1:1 with a maximum reverse speed of 6,000 RPM as stamped on the nameplate. The output spindle accepts NBS10 New Baby System collets, providing a clamping range of up to approximately 10mm per BIG Daishowa published specifications. Construction features hardened and ground spiral bevel gears and high-precision angular contact ball bearings per manufacturer documentation for the AG90 NBS series. Coolant supply through the locating pin is supported per published specifications for this series. The BCV50 shank designation indicates BIG-PLUS dual-contact CAT50 taper compatibility for enhanced rigidity and reduced runout. The 215mm gauge length is indicated in the model designation. Serial or internal reference LFH508RML is visible on the nameplate and is preserved here for buyer traceability. The BIG-PLUS CAT50 interface is compatible with standard CAT50 spindles as well as BIG-PLUS dual-contact spindles.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0426-02117\u003c\/p\u003e","brand":"BIG Daishowa","offers":[{"title":"Default Title","offer_id":49624832770288,"sku":"m02117","price":4499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/8023B63D-EB49-4678-955C-2253E1963352.png?v=1785091475"},{"product_id":"big-daishowa-right-angle-head-bcv50-ag90hmc1250-230s-cat50-1-14-in-hmc-collet-chuck-output-orientation-radial-02118","title":"BIG Daishowa BCV50-AG90\/HMC1.250-230S Right Angle Head CAT50 1-1\/4 in HMC Collet Chuck Output Radial","description":"\u003cp\u003eThe Big Daishowa BCV50-AG90\/HMC1.250-230S is a 90-degree right angle head built for heavy-duty end milling on horizontal machining centers. It uses the BIG-PLUS dual-contact CAT50 spindle interface, which provides simultaneous taper and flange face contact for improved rigidity and repeatability compared to standard CAT50 tooling. The output side uses Big Daishowa's HMC Hi-Power Milling Chuck system with a 1-1\/4 inch clamping diameter, designed to accept large-diameter end mills under high cutting loads. Overall gage length is 230mm with a long-reach (HR) configuration. The nameplate confirms a 1:1 speed ratio and a forward maximum speed of 3,000 RPM. The angular head body is machined from steel and incorporates hardened spiral bevel gears for torque transmission to the 90-degree output spindle. A degree-graduated collar visible in the photos allows for indexed rotation of the output spindle housing, enabling angular positioning for multi-face machining without repositioning the workpiece. The BIG-PLUS spindle system designation and Big Daishowa Angle Head branding are engraved on the tool collar. Part number BCV50-AG90\/HMC1.250-230S appears on the blue nameplate label along with serial reference NCH228RL. This unit is suited for HMC applications requiring a large-bore milling chuck output with maximum torsional stability.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0426-02118\u003c\/p\u003e","brand":"BIG Daishowa","offers":[{"title":"Default Title","offer_id":49624846729456,"sku":"m02118","price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/36219F15-C09F-49E1-BAA9-7F70ABAAAEF1.png?v=1785091479"},{"product_id":"big-daishowa-universal-angle-head-bcv50-agunbs20-315-cat50-nbs20-collet-output-124-in-gauge-length-orientation-radial-02119","title":"BIG Daishowa BCV50-AGU\/NBS20-315 Angle Head CAT50 Shank NBS20 1:1 Ratio","description":"\u003cdiv class=\"product-specifications\"\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e BIG Daishowa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN \/ Model:\u003c\/strong\u003e BCV50-AGU\/NBS20-315\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlate Code:\u003c\/strong\u003e IGH065UL (top of nameplate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Angle Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed Ratio:\u003c\/strong\u003e 1:1 (per nameplate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse Max Speed:\u003c\/strong\u003e 4,000 min-1 (per nameplate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e CAT50 taper with pull stud installed (CAT50 per model code)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Collet System:\u003c\/strong\u003e NBS20 (per model code), collet nut installed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGauge Length:\u003c\/strong\u003e 315 mm \/ 12.4 in (per model number suffix; not measured)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAngle Scale:\u003c\/strong\u003e Positions marked 0 through 9 on the face plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAs Pictured:\u003c\/strong\u003e Black anti-rotation arm with a handwritten marking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Surplus - Untested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"seo-product-description\"\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eBIG Daishowa angle head, model BCV50-AGU\/NBS20-315, on a CAT50 taper shank with a pull stud. The nameplate reads BIG ANGLE HEAD, BCV50-AGU\/NBS20-315, speed ratio 1:1 and reverse max 4,000 min-1, with the code IGH065UL at the top of the plate. The gauge length of 315 mm, about 12.4 in, comes from the model number and has not been measured. The angle range and increment are not stated on the nameplate and are not listed here.\u003c\/p\u003e\n\u003cp\u003eThe face plate has an angle scale marked 0 through 9 with indexing holes, and a caution label on the body says not to over-tighten the angle adjustment pin and to return the pin to its original position before machining. The output end has a collet nut. The black anti-rotation arm shown in the photos is included and has a handwritten marking on it.\u003c\/p\u003e\n\u003cp\u003eThe taper and body show staining, scuffs and worn paint from prior use. Sold as surplus, untested; this angle head has not been run or tested by MRO Exchange. Buyers should confirm the model, collet system and shank against their machine before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eStock # 0426-02119\u003c\/strong\u003e\u003c\/p\u003e","brand":"BIG Daishowa","offers":[{"title":"Default Title","offer_id":49624874615024,"sku":"m02119","price":6499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/A0F0F57E-4CBD-4ED0-97F9-DB03FFD04F5D.png?v=1785091481"},{"product_id":"big-daishowa-cat40-cnc-machining-center-spindle-cartridge-assembly-mc06271-529s06f014-02167","title":"BIG Daishowa CAT40 CNC Machining Center Spindle Cartridge Assembly MC06271 \/ 529S06F014","description":"\u003cp\u003eUsed in CNC machining centers requiring CAT40 tooling interface, this complete spindle cartridge assembly is stamped with manufacturer marking \"BIG\" (BIG Daishowa Seiki) and bears identifiers MC06271 and 529S06F014 machined into the lower body flange. Overall length measures approximately 32 inches based on tape measure visible in photos. The precision steel shaft incorporates multiple stepped bearing journals, a flanged mounting face at the base with a visible bolt-hole pattern for machine installation, and a CAT40 tool receiver at the upper end per operator confirmation. Oil and coolant service ports are visible on the body. A bagged hardware and tubing lot is packed alongside the cartridge in the original shipping crate.\u003c\/p\u003e\n\u003cp\u003eBIG Daishowa Seiki is the originator and licensor of the BIG-PLUS dual-contact spindle system, supplying spindle cartridges to machining center builders worldwide under strict dimensional controls. The \"BIG\" stamp is consistent with BIG Daishowa factory manufacture or a licensed OEM spindle builder. The 529S06F014 identifier is consistent with a Japanese machine tool builder engineering drawing reference for HMC spindle cartridges. MC06271 is the primary stamped identifier on the lower body.\u003c\/p\u003e\n\u003cp\u003eRPM rating, original machine compatibility, and coolant-through status are not confirmed from visible markings and should be verified before installation.\u003c\/p\u003e\n\u003cp\u003eStock # 0426-02167\u003c\/p\u003e","brand":"BIG Daishowa","offers":[{"title":"Default Title","offer_id":49683516981488,"sku":"m02167","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/22BF5F76-62FB-421F-8E51-E5C7CF6A68D9.jpg?v=1778015999"}],"url":"https:\/\/mroexchange.com\/collections\/big-daishowa.oembed","provider":"MRO Exchange","version":"1.0","type":"link"}