{"product_id":"starrett-ka19-hole-enlargement-arbor","title":"Starrett KA19 Hole Enlargement Arbor","description":"\u003cp\u003eThis KA19 arbor is designed for controlled enlargement of existing holes without the need for fresh pilot drilling.\u003c\/p\u003e\n\u003cp\u003eBy replacing the pilot drill in a A1, A2 or A10 arbor, the user can mount a holesaw that matches the diameter of the existing hole. This existing hole then serves as the guide for the larger saw, ensuring accurate, stable enlargement. The system supports a minimum increase of 4.7 mm (3\/16 in) and is compatible with Starrett FCH, DCH, TCT Multi-Purpose, CT and Diamond holesaws featuring ½\" × 20 or 5\/8\" × 18 threads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\nPrecision hole enlargement without pilot re-drilling — the KA19 arbor uses your existing hole as a natural guide for seamless, accurate expansion. Simply swap the pilot drill in your A1, A2, or A10 arbor and fit a holesaw matching your current hole diameter. The system handles incremental sizing from 4.7 mm (3\/16 in) upwards, works with Starrett FCH, DCH, TCT Multi-Purpose, CT and Diamond holesaws (½\" × 20 or 5\/8\" × 18 threads), and eliminates the need for fresh pilot work. Compatible with bi-metal, TCT, and diamond cutters for controlled, stable results across materials.","brand":"Starrett","offers":[{"title":"Default Title","offer_id":59988801388869,"sku":"KA19","price":23.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/0629\/2293\/files\/KA19.png?v=1793353706","url":"https:\/\/j3tools.com\/products\/starrett-ka19-hole-enlargement-arbor","provider":"J3 Tools","version":"1.0","type":"link"}