{"product_id":"korloy-h-star-3-flute-tapered-neck-type-ball-end-mill-estnb30","title":"Korloy H-Star 3 Flute Tapered Neck Type Ball End Mill ESTNB30","description":"\u003cp class=\"ps-intro\"\u003eSolid carbide end mill of the H-Star series for high speed and high hardness machining (HRC50~63).\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eUltra-fine WC + Co 9% high hardness substrate\u003c\/li\u003e\n\u003cli\u003eAlTiN coating for wear and frictional heat resistance\u003c\/li\u003e\n\u003cli\u003eEdge treatment for chipping resistance in hardened steel\u003c\/li\u003e\n\u003cli\u003eHelix angle 30°\u003c\/li\u003e\n\u003cli\u003eRadius tolerance ±0.005 (All sizes)\u003c\/li\u003e\n\u003cli\u003eh5 shank tolerance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries line\u003c\/th\u003e\n\u003ctd\u003eH-Star End Mill\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlutes\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCoating\u003c\/th\u003e\n\u003ctd\u003eAlTiN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHelix angle\u003c\/th\u003e\n\u003ctd\u003e30°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eØD tolerance\u003c\/th\u003e\n\u003ctd\u003e~Ø6: 0~-0.012mm; Ø8~Ø12: 0~-0.015mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShank tolerance\u003c\/th\u003e\n\u003ctd\u003eh5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRadius tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.005 (All sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorkpiece (excellent)\u003c\/th\u003e\n\u003ctd\u003eHardened steel SKD61~HRC55, Hardened steel SKD11 HRC55~63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorkpiece (good)\u003c\/th\u003e\n\u003ctd\u003ePre-hardened steel HRC30~50, Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-8-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 8 | θ (deg): 0.4 | D3 (mm): 1.92 | D4 (mm): 2.01 | App. L (mm): 7.42 | θ2 (deg): 7 | L (mm): 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-12-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 12 | θ (deg): 0.4 | D3 (mm): 1.92 | D4 (mm): 2.06 | App. L (mm): 7.42 | θ2 (deg): 5.7 | L (mm): 55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-16-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 16 | θ (deg): 0.4 | D3 (mm): 1.92 | D4 (mm): 2.12 | App. L (mm): 7.42 | θ2 (deg): 4.8 | L (mm): 60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-20-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 20 | θ (deg): 0.4 | D3 (mm): 1.92 | D4 (mm): 2.18 | App. L (mm): 7.42 | θ2 (deg): 4.1 | L (mm): 65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-20-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 20 | θ (deg): 0.9 | D3 (mm): 1.92 | D4 (mm): 2.5 | App. L (mm): 4.24 | θ2 (deg): 4.2 | L (mm): 65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-25-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 25 | θ (deg): 0.9 | D3 (mm): 1.92 | D4 (mm): 2.65 | App. L (mm): 4.24 | θ2 (deg): 3.6 | L (mm): 65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-30-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 30 | θ (deg): 0.4 | D3 (mm): 1.92 | D4 (mm): 2.32 | App. L (mm): 7.42 | θ2 (deg): 3.1 | L (mm): 70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-30-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 30 | θ (deg): 0.9 | D3 (mm): 1.92 | D4 (mm): 2.81 | App. L (mm): 4.24 | θ2 (deg): 3.2 | L (mm): 70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-35-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 35 | θ (deg): 0.9 | D3 (mm): 1.92 | D4 (mm): 2.97 | App. L (mm): 4.24 | θ2 (deg): 2.8 | L (mm): 75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-40-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 40 | θ (deg): 0.4 | D3 (mm): 1.92 | D4 (mm): 2.46 | App. L (mm): 7.42 | θ2 (deg): 2.5 | L (mm): 80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-40-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 40 | θ (deg): 0.9 | D3 (mm): 1.92 | D4 (mm): 3.12 | App. L (mm): 4.24 | θ2 (deg): 2.6 | L (mm): 80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-50-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 50 | θ (deg): 0.9 | D3 (mm): 1.92 | D4 (mm): 3.44 | App. L (mm): 4.24 | θ2 (deg): 2.1 | L (mm): 90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-60-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 60 | θ (deg): 0.9 | D3 (mm): 1.92 | D4 (mm): 3.75 | App. L (mm): 4.24 | θ2 (deg): 1.8 | L (mm): 100 | Effective length at 1° (mm): 61.9 | Effective length at 1.5° (mm): 63.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3020-70-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1 | ØD (mm): 2 | Ød (mm): 6 | ℓ1 (mm): 1.7 | ℓ2 (mm): 70 | θ (deg): 0.9 | D3 (mm): 1.92 | D4 (mm): 4.07 | App. L (mm): 4.24 | θ2 (deg): 1.6 | L (mm): 110 | Effective length at 1° (mm): 72 | Effective length at 1.5° (mm): 74.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-8-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 8 | θ (deg): 0.4 | D3 (mm): 2.86 | D4 (mm): 2.94 | App. L (mm): 8.5 | θ2 (deg): 6.3 | L (mm): 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-16-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 16 | θ (deg): 0.4 | D3 (mm): 2.86 | D4 (mm): 3.05 | App. L (mm): 12.52 | θ2 (deg): 4.1 | L (mm): 55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-20-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 20 | θ (deg): 0.4 | D3 (mm): 2.86 | D4 (mm): 3.1 | App. L (mm): 12.52 | θ2 (deg): 3.4 | L (mm): 60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-30-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 30 | θ (deg): 0.4 | D3 (mm): 2.86 | D4 (mm): 3.24 | App. L (mm): 12.52 | θ2 (deg): 2.5 | L (mm): 70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-30-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 30 | θ (deg): 0.9 | D3 (mm): 2.86 | D4 (mm): 3.72 | App. L (mm): 6.95 | θ2 (deg): 2.6 | L (mm): 70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-40-04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 40 | θ (deg): 0.4 | D3 (mm): 2.86 | D4 (mm): 3.38 | App. L (mm): 12.52 | θ2 (deg): 2 | L (mm): 80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-40-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 40 | θ (deg): 0.9 | D3 (mm): 2.86 | D4 (mm): 4.04 | App. L (mm): 6.95 | θ2 (deg): 2 | L (mm): 80 | Effective length at 1° (mm): 41.9 | Effective length at 1.5° (mm): 43.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-50-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 50 | θ (deg): 0.9 | D3 (mm): 2.86 | D4 (mm): 4.35 | App. L (mm): 6.95 | θ2 (deg): 1.7 | L (mm): 90 | Effective length at 1° (mm): 52 | Effective length at 1.5° (mm): 53.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-60-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 60 | θ (deg): 0.9 | D3 (mm): 2.86 | D4 (mm): 4.67 | App. L (mm): 6.95 | θ2 (deg): 1.4 | L (mm): 100 | Effective length at 1° (mm): 62.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3030-70-09\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 2.5 | ℓ2 (mm): 70 | θ (deg): 0.9 | D3 (mm): 2.86 | D4 (mm): 4.98 | App. L (mm): 6.95 | θ2 (deg): 1.2 | L (mm): 110 | Effective length at 1° (mm): 72.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3040-20-10\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 2 | ØD (mm): 4 | Ød (mm): 8 | ℓ1 (mm): 8 | ℓ2 (mm): 20 | θ (deg): 1 | D3 (mm): 3.86 | D4 (mm): 4.28 | App. L (mm): 12.01 | θ2 (deg): 5 | L (mm): 70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3040-30-10\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 2 | ØD (mm): 4 | Ød (mm): 8 | ℓ1 (mm): 8 | ℓ2 (mm): 30 | θ (deg): 1 | D3 (mm): 3.86 | D4 (mm): 4.63 | App. L (mm): 12.01 | θ2 (deg): 3.6 | L (mm): 80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3040-40-10\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 2 | ØD (mm): 4 | Ød (mm): 8 | ℓ1 (mm): 8 | ℓ2 (mm): 40 | θ (deg): 1 | D3 (mm): 3.86 | D4 (mm): 4.98 | App. L (mm): 12.01 | θ2 (deg): 2.7 | L (mm): 90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3040-50-10\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 2 | ØD (mm): 4 | Ød (mm): 8 | ℓ1 (mm): 8 | ℓ2 (mm): 50 | θ (deg): 1 | D3 (mm): 3.86 | D4 (mm): 5.33 | App. L (mm): 12.01 | θ2 (deg): 2.2 | L (mm): 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3040-60-10\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 2 | ØD (mm): 4 | Ød (mm): 8 | ℓ1 (mm): 8 | ℓ2 (mm): 60 | θ (deg): 1 | D3 (mm): 3.86 | D4 (mm): 5.68 | App. L (mm): 12.01 | θ2 (deg): 1.9 | L (mm): 110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3050-30-10\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 2.5 | ØD (mm): 5 | Ød (mm): 8 | ℓ1 (mm): 10 | ℓ2 (mm): 30 | θ (deg): 1 | D3 (mm): 4.86 | D4 (mm): 5.56 | App. L (mm): 14.01 | θ2 (deg): 2.8 | L (mm): 80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3050-40-10\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 2.5 | ØD (mm): 5 | Ød (mm): 8 | ℓ1 (mm): 10 | ℓ2 (mm): 40 | θ (deg): 1 | D3 (mm): 4.86 | D4 (mm): 5.91 | App. L (mm): 14.01 | θ2 (deg): 2.1 | L (mm): 90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESTNB3050-60-10\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eR (mm): 2.5 | ØD (mm): 5 | Ød (mm): 8 | ℓ1 (mm): 10 | ℓ2 (mm): 60 | θ (deg): 1 | D3 (mm): 4.86 | D4 (mm): 6.61 | App. L (mm): 12.52 | θ2 (deg): 1.5 | L (mm): 110 | Effective length at 0.5° (mm): 25.5 | Effective length at 1° (mm): 62.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Korloy","offers":[{"title":"Default Title","offer_id":67495141310754,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/korloy-h-star-3-flute-tapered-neck-type-ball-end-mill-estnb30-1.jpg?v=1791596672","url":"https:\/\/prosourcemro.com\/products\/korloy-h-star-3-flute-tapered-neck-type-ball-end-mill-estnb30","provider":"ProSource MRO","version":"1.0","type":"link"}