{"product_id":"rockmore-td-40-convex-dth-bits","title":"Rockmore TD 40 Convex DTH Bits","description":"\u003cp\u003eConvex down-the-hole bits for the TD 40 shank. Diameters from 4-5\/16 in (110 mm) to 5-1\/8 in (130 mm). Semi-ballistic carbide.\u003c\/p\u003e","brand":"Rockmore","offers":[{"title":"4-5\/16 in (110 mm) \/ Semi-ballistic, 8×9\/16 + 8×1\/2","offer_id":67689699246332,"sku":"TD40-110CVB-3683","price":0.0,"currency_code":"USD","in_stock":true},{"title":"4-1\/2 in (115 mm) \/ Semi-ballistic, 8×1\/2 + 8×1\/2","offer_id":67689699279100,"sku":"TD40-115CVB-3688","price":0.0,"currency_code":"USD","in_stock":true},{"title":"4-1\/2 in (115 mm) \/ Semi-ballistic, 8×9\/16 + 8×1\/2","offer_id":67689699311868,"sku":"TD40-115CVB-3687","price":0.0,"currency_code":"USD","in_stock":true},{"title":"4-23\/32 in (120 mm) \/ Semi-ballistic, 8×9\/16 + 8×1\/2","offer_id":67689699344636,"sku":"TD40-120CVB-3691","price":0.0,"currency_code":"USD","in_stock":true},{"title":"4-15\/16 in (125 mm) \/ Semi-ballistic, 8×9\/16 + 9×1\/2","offer_id":67689699377404,"sku":"TD40-125CVB-3695","price":0.0,"currency_code":"USD","in_stock":true},{"title":"5-1\/8 in (130 mm) \/ Semi-ballistic, 8×9\/16 + 10×1\/2, 2 holes","offer_id":67689699410172,"sku":"TD40-130CVB-3697","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/9030\/2460\/files\/dth-td40-convex_1be95576-fdc5-4f4f-b12b-580b378bb1df.jpg?v=1791836054","url":"https:\/\/frankdrill.com\/products\/rockmore-td-40-convex-dth-bits","provider":"FrankDrill","version":"1.0","type":"link"}