{"product_id":"brunner-lay-b60-drop-centre-retrac-bits","title":"Brunner \u0026 Lay B60 Drop Centre Retrac Bits","description":"\u003cp\u003eDrop centre retrac bits for B60 drill strings. A drop centre drills straighter holes in medium to hard rock. Retrac skirts help in broken ground, keep holes straighter and make the bit easier to retrieve. Diameters from 4 in (102 mm) to 6 in (152 mm). Hemispherical carbide.\u003c\/p\u003e","brand":"Brunner \u0026 Lay","offers":[{"title":"4 in (102 mm)","offer_id":67689534521596,"sku":"S4060DWS","price":0.0,"currency_code":"USD","in_stock":true},{"title":"4-1\/2 in (115 mm)","offer_id":67689534554364,"sku":"S4560DWS","price":0.0,"currency_code":"USD","in_stock":true},{"title":"5 in (127 mm)","offer_id":67689534587132,"sku":"S5060DWS","price":0.0,"currency_code":"USD","in_stock":true},{"title":"5-1\/2 in (140 mm)","offer_id":67689534619900,"sku":"S5560DWS","price":0.0,"currency_code":"USD","in_stock":true},{"title":"6 in (152 mm)","offer_id":67689534652668,"sku":"S6060DWS","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/9030\/2460\/files\/thb-bl-b60-dw_58d64860-727d-4e44-b9ad-612c9ed944bd.jpg?v=1791834880","url":"https:\/\/frankdrill.com\/products\/brunner-lay-b60-drop-centre-retrac-bits","provider":"FrankDrill","version":"1.0","type":"link"}