{"product_id":"micro-100-th-206-boring-grooving-bar-holder","title":"Micro 100 TH-206 Boring Grooving Bar Holder","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe MICRO 100 TH-206 is a boring grooving bar holder designed for use with compatible boring and grooving bars in precision machining operations. Part of the TH series, this holder features a 0.25 inch inside diameter, a 0.75 inch outside diameter, and an overall length of 2.75 inches. The head diameter measures 0.875 inches. Weighing 0.31 pounds, it is a compact, solid holder suited for machinists and toolroom professionals running internal grooving or boring operations on lathes and turning centers. No coolant-through capability is included in this configuration.\u003c\/p\u003e\u003cp\u003eThe TH-206 is intended for shop floor and toolroom use where a reliable, rigid bar holder is needed for internal grooving or boring applications. Its compact overall length of 2.75 inches makes it well suited for setups with limited clearance. This holder is typically installed by machinists and tool setters working on CNC or manual lathes performing precision internal operations on workpieces requiring controlled bore geometry.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.25 inch inside diameter for secure bar retention\u003c\/li\u003e\n\u003cli\u003e0.75 inch outside diameter for standard toolholder fitment\u003c\/li\u003e\n\u003cli\u003e0.875 inch head diameter for positive registration\u003c\/li\u003e\n\u003cli\u003eOverall length of 2.75 inches for compact setups\u003c\/li\u003e\n\u003cli\u003ePart of the MICRO 100 TH series for consistent system compatibility\u003c\/li\u003e\n\u003cli\u003eNo coolant-through design  -  straightforward, low-maintenance configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style holder for use with MICRO 100 TH series boring and grooving bars requiring a 0.25 inch shank bore.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or tool setters. Power down and lock out the machine spindle before installing or removing any toolholder. Ensure the bar shank is clean and free of burrs before seating in the holder. Follow the machine tool manufacturer torque guidelines for clamping screws  -  do not overtighten, as this can distort the bore or damage the bar shank.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 0.875 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: TH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.31 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: MICRO 100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: TH-206\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MICRO 100","offers":[{"title":"Default Title","offer_id":52070255001906,"sku":"TH-206","price":133.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/cc33b10effc23579972a0a20983a316c_1bc666bb-7f67-477f-a3a8-2b5542f20066.jpg?v=1790048337","url":"https:\/\/voomisupply.com\/products\/micro-100-th-206-boring-grooving-bar-holder","provider":"Voomi Supply","version":"1.0","type":"link"}