{"product_id":"tecnara-offset-boring-head-150-340-6-abh-40-cat50-1654-in-to-2165-in-boring-range-orientation-axial-01241","title":"Tecnara Offset Boring Head 150-340-6 \/ ABH-40 | CAT50 | 1.654 In. to 2.165 In. Boring Range | Orientation: Axial","description":"\u003cp\u003eUsed in CNC machining centers requiring precision hole finishing, the Tecnara \/ Kyushu Kogu ABH-40 is a single-insert offset boring head mounted on a CAT50 integral shank with part number 150-340-6. The assembly is manufactured in Japan under the Kyushu Kogu brand, distributed in the US through Tecnara Tooling Systems. The CAT50 shank carries the designation 150-340-6, indicating a 6-inch projection from gauge line to the boring head body. The ABH-40 head provides a boring range of 1.654 inches to 2.165 inches and accepts a triangular carbide insert, visible and installed in the photos. The head body features a micrometer-style adjustment dial for fine radial positioning of the cutting edge, a hex-socket locking screw for insert and cartridge retention, and an additional setscrew port on the shank body. The CAT50 taper is fitted with a 45-degree pull stud as visible at the shank end. Kyushu Kogu boring heads are premium Japanese-made precision tools recognized in the US surplus tooling market for accuracy and build quality. The shank and head markings are clearly visible across multiple photos: \"KYUSHUKOGUS \/ TECNARA\" on the body, \"ABH-40\" on the head, and \"TECNARA \/ 150-340-6\" on the flange area. A carbide insert is installed and included.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0426-01241\u003c\/p\u003e","brand":"D'Andrea","offers":[{"title":"Default Title","offer_id":49521237459184,"sku":"m01241","price":325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/831E5E54-E6DA-4706-85FB-FEFB1E572A46.jpg?v=1775746021","url":"https:\/\/mroexchange.com\/products\/tecnara-offset-boring-head-150-340-6-abh-40-cat50-1654-in-to-2165-in-boring-range-orientation-axial-01241","provider":"MRO Exchange","version":"1.0","type":"link"}