{"product_id":"2108-drill-depth-adjusting-collars","title":"FAMAG 2108 TWIST DRILL DEPTH ADJUSTING COLLAR","description":"\u003cp data-end=\"734\" data-start=\"326\"\u003eThe FAMAG 2108 depth adjusting collar is a clamp-on accessory for twist drills that provides precise control over drilling depth. Simply slide the collar onto any compatible drill bit, secure it with the lateral set-screw, and drill to a consistent stop every time. Ideal for adjusting the depth of countersinks (type F2100, Ø 3–7 mm) and through-holes without guesswork. \u003c\/p\u003e\n\u003ch4 data-end=\"769\" data-start=\"736\"\u003e📏 Technical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 101.25%; height: 389px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3791%; height: 19.5938px; text-align: center;\"\u003e Inner Diameter (mm)\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; height: 19.5938px; text-align: center;\"\u003eOuter Diameter mm)\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; height: 19.5938px; text-align: center;\"\u003ePack Size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e7\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e8\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e5\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e6\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e12\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e7\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e12\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e8\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e16\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e9\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e18\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e11\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e12\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e22\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.3791%; text-align: center;\"\u003e16\u003c\/td\u003e\n\u003ctd style=\"width: 38.9892%; text-align: center;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"width: 24.9097%; text-align: center;\"\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli data-end=\"1021\" data-start=\"959\"\u003e\n\u003cp data-end=\"1021\" data-start=\"961\"\u003e\u003cstrong data-end=\"974\" data-start=\"961\"\u003eMaterial:\u003c\/strong\u003e Hardened tool-steel, precision-ground finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1110\" data-start=\"1022\"\u003e\n\u003cp data-end=\"1110\" data-start=\"1024\"\u003e\u003cstrong data-end=\"1046\" data-start=\"1024\"\u003eLocking Mechanism:\u003c\/strong\u003e Lateral attachment screw for secure, vibration-free operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1217\" data-start=\"1111\"\u003e\n\u003cp data-end=\"1217\" data-start=\"1113\"\u003e\u003cb\u003e16mm Depth Adjustment Collar: \u003c\/b\u003efor countersink 2100: 3 - 7 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in sets\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e5pc Set:\u003c\/strong\u003e Collars for Ø 4, 5, 6, 8, 10 mm bits—ideal starter kit.\u003cbr\u003e\u003cstrong\u003e7-pc Set\u003c\/strong\u003e: Collars for Ø 3, 4, 5, 6, 8, 10, 12 mm bits—covers most workshop needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-end=\"1240\" data-start=\"1219\"\u003e🎯 Key Benefits\u003c\/h4\u003e\n\u003cul data-end=\"1615\" data-start=\"1241\"\u003e\n\u003cli data-end=\"1340\" data-start=\"1241\"\u003e\n\u003cp data-end=\"1340\" data-start=\"1243\"\u003e\u003cstrong data-end=\"1265\" data-start=\"1243\"\u003eConsistent Depths:\u003c\/strong\u003e Eliminates over-drilling and under-countersinking across multiple holes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1439\" data-start=\"1341\"\u003e\n\u003cp data-end=\"1439\" data-start=\"1343\"\u003e\u003cstrong data-end=\"1359\" data-start=\"1343\"\u003eQuick Setup:\u003c\/strong\u003e Clamp-on design and knurled set-screw make depth changes tool-free and rapid.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1521\" data-start=\"1440\"\u003e\n\u003cp data-end=\"1521\" data-start=\"1442\"\u003e\u003cstrong data-end=\"1460\" data-start=\"1442\"\u003eDurable Build:\u003c\/strong\u003e High-quality tool-steel withstands workshop wear and tear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1615\" data-start=\"1522\"\u003e\n\u003cp data-end=\"1615\" data-start=\"1524\"\u003e\u003cstrong data-end=\"1542\" data-start=\"1524\"\u003eVersatile Use:\u003c\/strong\u003e Perfect for woodworkers and metalworkers needing repeatable hole depths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-end=\"1642\" data-start=\"1617\"\u003e⚙️ Application Tips\u003c\/h4\u003e\n\u003col data-end=\"2199\" data-start=\"1643\"\u003e\n\u003cli data-end=\"1789\" data-start=\"1643\"\u003e\n\u003cp data-end=\"1789\" data-start=\"1646\"\u003e\u003cstrong data-end=\"1674\" data-start=\"1646\"\u003eSelect the Right Collar:\u003c\/strong\u003e Use the individual 16 mm collar for single bits or opt for a multi-piece set if you work with various diameters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1892\" data-start=\"1790\"\u003e\n\u003cp data-end=\"1892\" data-start=\"1793\"\u003e\u003cstrong data-end=\"1817\" data-start=\"1793\"\u003ePosition Accurately:\u003c\/strong\u003e Slide the collar to the desired drilling depth mark on your bit’s shaft.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1991\" data-start=\"1893\"\u003e\n\u003cp data-end=\"1991\" data-start=\"1896\"\u003e\u003cstrong data-end=\"1917\" data-start=\"1896\"\u003eTighten Securely:\u003c\/strong\u003e Use the lateral screw to lock the collar firmly—check before each hole.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2096\" data-start=\"1992\"\u003e\n\u003cp data-end=\"2096\" data-start=\"1995\"\u003e\u003cstrong data-end=\"2020\" data-start=\"1995\"\u003eMaintain Cleanliness:\u003c\/strong\u003e Wipe away chips and debris from both bit and collar to preserve accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2199\" data-start=\"2097\"\u003e\n\u003cp data-end=\"2199\" data-start=\"2100\"\u003e\u003cstrong data-end=\"2115\" data-start=\"2100\"\u003eAdjust RPM:\u003c\/strong\u003e When the collar is mounted, reduce spindle speed slightly (≈10 %) to avoid chatter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Famag Tools","offers":[{"title":"3mm","offer_id":51584222331219,"sku":"F2108003","price":20.58,"currency_code":"GBP","in_stock":true},{"title":"4mm","offer_id":51584362086739,"sku":"F2108004","price":20.58,"currency_code":"GBP","in_stock":true},{"title":"5mm","offer_id":51584362119507,"sku":"F2108005","price":19.57,"currency_code":"GBP","in_stock":true},{"title":"6mm","offer_id":51584362152275,"sku":"F2108006","price":19.57,"currency_code":"GBP","in_stock":true},{"title":"7mm","offer_id":51584362185043,"sku":"F2108007","price":19.57,"currency_code":"GBP","in_stock":true},{"title":"8mm","offer_id":51584362217811,"sku":"F2108008","price":20.58,"currency_code":"GBP","in_stock":true},{"title":"9mm","offer_id":51584362250579,"sku":"F2108009","price":22.67,"currency_code":"GBP","in_stock":true},{"title":"10mm","offer_id":51584362283347,"sku":"F2108010","price":23.46,"currency_code":"GBP","in_stock":true},{"title":"11mm","offer_id":51584362316115,"sku":"F2108011","price":25.49,"currency_code":"GBP","in_stock":true},{"title":"12mm","offer_id":51584362348883,"sku":"F2108012","price":26.56,"currency_code":"GBP","in_stock":true},{"title":"16mm","offer_id":51584362381651,"sku":"F2108216","price":7.2,"currency_code":"GBP","in_stock":true},{"title":"5-pc Set","offer_id":51584369623379,"sku":"F2108505","price":9.41,"currency_code":"GBP","in_stock":true},{"title":"7-pc Set","offer_id":51584369656147,"sku":"F2108507","price":13.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/4843\/7075\/files\/Famag-F2108216-Depth-adjustment-ring-16mm.jpg?v=1758807545","url":"https:\/\/wooddrills.co.uk\/products\/2108-drill-depth-adjusting-collars","provider":"Wooddrills.co.uk","version":"1.0","type":"link"}