{"id":3909,"date":"2026-06-13T15:06:25","date_gmt":"2026-06-13T07:06:25","guid":{"rendered":"https:\/\/www.wolframcarbide.com\/?post_type=product&p=3909"},"modified":"2026-07-19T20:12:28","modified_gmt":"2026-07-19T12:12:28","slug":"%e8%b6%85%e7%a1%ac%e3%83%89%e3%83%aa%e3%83%ab%e3%83%96%e3%83%a9%e3%83%b3%e3%82%af","status":"publish","type":"product","link":"https:\/\/www.wolframcarbide.com\/ja\/product\/tungsten-carbide-drill-blanks\/","title":{"rendered":"\u9ad8\u54c1\u8ceaK10 K20 K30\u8d85\u786c\u30c9\u30ea\u30eb\u30d6\u30e9\u30f3\u30af\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc"},"content":{"rendered":"
1. Grades of tungsten carbide drill blanks\uff1a<\/span><\/span><\/span><\/span><\/strong><\/h5>\n\n\n\n\n\n\n\n\n\n\n
Grade<\/strong><\/td>\nISO Grade<\/strong><\/td>\nWC<\/strong>
\n(%)<\/strong><\/td>\n		Co<\/strong>
\n(%)<\/strong><\/td>\n		Grain Size<\/strong>
\n(\u03bcm)<\/strong><\/td>\n		Hardness<\/strong>
\n\uff08HRA<\/a>\uff09<\/strong><\/td>\n		Density<\/strong>
\n\uff08g\/cm\u00b3\uff09<\/strong><\/td>\n		TRS<\/strong>
\n\uff08N\/mm\u00b2\uff09<\/strong><\/td>\n<\/tr>\n
BU06<\/strong><\/td>\nK05 – K10<\/strong><\/td>\n94<\/strong><\/td>\n6<\/strong><\/td>\n0.5<\/strong><\/td>\n94<\/strong><\/td>\n14.75<\/strong><\/td>\n3600<\/strong><\/td>\n<\/tr>\n
BU09<\/strong><\/td>\nK20 – K30<\/strong><\/td>\n91<\/strong><\/td>\n9<\/strong><\/td>\n0.4<\/strong><\/td>\n94<\/strong><\/td>\n14.4<\/strong><\/td>\n3800<\/strong><\/td>\n<\/tr>\n
YG10X<\/strong><\/a><\/td>\nK20 – K30<\/strong><\/td>\n90<\/strong><\/td>\n10<\/strong><\/td>\n0.8<\/strong><\/td>\n91.5<\/strong><\/td>\n14.35<\/strong><\/td>\n3600<\/strong><\/td>\n<\/tr>\n
BT15<\/strong><\/td>\nK20 – K30<\/strong><\/td>\n90<\/strong><\/td>\n10<\/strong><\/td>\n0.7<\/strong><\/td>\n92.2<\/strong><\/td>\n14.35<\/strong><\/td>\n3900<\/strong><\/td>\n<\/tr>\n
BT20<\/strong><\/td>\nK20 – K30<\/strong><\/td>\n90<\/strong><\/td>\n10<\/strong><\/td>\n0.6<\/strong><\/td>\n92.3<\/strong><\/td>\n14.4<\/strong><\/td>\n4000<\/strong><\/td>\n<\/tr>\n
BT25<\/strong><\/td>\nK30 – K40<\/strong><\/td>\n88<\/strong><\/td>\n12<\/strong><\/td>\n0.6<\/strong><\/td>\n92.5<\/strong><\/td>\n14.1<\/strong><\/td>\n4000<\/strong><\/td>\n<\/tr>\n
BT25UF<\/strong><\/td>\nK30 – K40<\/strong><\/td>\n88<\/strong><\/td>\n12<\/strong><\/td>\n0.4<\/strong><\/td>\n92.8<\/strong><\/td>\n14.05<\/strong><\/td>\n4200<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Grade BU06: This grade is suitable for machining aluminum magnesium alloy, graphite, plastic, wood and composite material, etc.<\/p>\n

Grade BU09: This grade is suitable for machining alloy steel, stainless steel, aluminum alloy, chilled hardened steel and titanium alloy, etc. It can process materials with hardness up to<\/strong> HRC 65.<\/strong><\/p>\n

Grade YG10X: This grade is suitable for machining materials such as common steel, non-ferrous metals, and cast iron, etc. It can process materials with hardness up to HRC 45. This grade is is popular in the Asian market, especially the Indian market.<\/strong><\/p>\n

Grade BT15: This grade is suitable for machining common steel, cast iron, stainless steel, heat-resistant steel, chilled hardened steel, nickel base alloy and titanium alloy, etc. It can process materials with hardness up to HRC 55.\u00a0 This grade is popular in the European market, especially in German market. Other markets, such as\u00a0the\u00a0USA, Canada,\u00a0Korea, etc.<\/strong><\/p>\n

Grade BT20: This grade is suitable for machining stainless steel, heat-resistant steel, chilled hardened steel, cast iron, nickel base alloy and titanium alloy, etc. It can process materials with hardness up to HRC 55.<\/p>\n

Grade BT25: This grade is suitable for machining alloy steel, titanium alloy, chilled hardened steel cast iron, aluminum alloy, etc. It can process materials with hardness up to HRC 60.<\/p>\n

Grade BT25UF: This grade is suitable for machining alloy steel, stainless steel, aluminum alloy, chilled hardened steel and titanium alloy, etc. It can process materials with hardness up to HRC 62.<\/p>\n

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2. Sizes of <\/span><\/span><\/span><\/span><\/strong>tungsten carbide drill blanks<\/span><\/strong>\uff1a<\/span><\/span><\/span><\/span><\/strong><\/h5>\n

\"tungsten<\/p>\n\n\n\n\n
OD(MM)<\/span><\/span><\/span><\/span><\/strong><\/td>\nLength(MM)<\/span><\/span><\/span><\/span><\/strong><\/td>\n<\/tr>\n
0.2-60<\/span><\/span><\/span><\/span><\/td>\n10-330<\/span><\/span><\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\"Carbide<\/h5>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Type<\/strong><\/td>\nD<\/strong><\/td>\nL<\/strong>
\n(Tol.\/0,+4)<\/strong><\/td>\n		d<\/strong><\/td>\nTK<\/strong><\/td>\na<\/strong><\/td>\nPitch<\/strong><\/td>\n<\/tr>\n
\u03c6(mm)<\/strong><\/td>\nTol(mm)<\/strong><\/td>\nd(mm)<\/strong><\/td>\nTol(mm)<\/strong><\/td>\nTK(mm)<\/strong><\/td>\nTol(mm)<\/strong><\/td>\nP(mm)<\/strong><\/td>\nTol(mm)<\/strong><\/td>\n<\/tr>\n
B\u03c66\u00d72\u03c60.7x26x330H30\u00b0<\/td>\n6<\/td>\n+0.7,+1.3<\/td>\n330<\/td>\n0.70<\/td>\n\u00b10.10<\/td>\n2.60<\/td>\n0,-0.4<\/td>\n0.15<\/td>\n32.65<\/td>\n+0.67,-0.65<\/td>\n<\/tr>\n
B\u03c67\u00d72\u03c61.0\u00d73.7x330H30\u00b0<\/td>\n7<\/td>\n+0.7,+1.3<\/td>\n\u00a0330<\/td>\n1.00<\/td>\n\u00b10.15<\/td>\n3.70<\/td>\n0,-0.4<\/td>\n0.15<\/td>\n38.09<\/td>\n+0.78,-0.76<\/td>\n<\/tr>\n
B\u03c68\u00d72\u03c61.0\u00d74.0x330H30\u00b0<\/td>\n8<\/td>\n+0.7,+1.3<\/td>\n\u00a0330<\/td>\n1.00<\/td>\n\u00b10.15<\/td>\n4.00<\/td>\n0,-0.4<\/td>\n0.15<\/td>\n43.53<\/td>\n+0.89,-0.86<\/td>\n<\/tr>\n
B\u03c69\u00d72\u03c61.4\u00d74.8x330H30\u00b0<\/td>\n9<\/td>\n+0.7,+1.3<\/td>\n330<\/td>\n1.40<\/td>\n\u00b10.15<\/td>\n4.80<\/td>\n0,-0.6<\/td>\n0.20<\/td>\n48.97<\/td>\n+1.00,-0.97<\/td>\n<\/tr>\n
B\u03c610\u00d72\u03c61.4\u00d74.8x330H30\u00b0<\/td>\n10<\/td>\n+0.7,+1.3<\/td>\n330<\/td>\n1.40<\/td>\n\u00b10.15<\/td>\n4.80<\/td>\n0,-0.6<\/td>\n0.20<\/td>\n54.41<\/td>\n+1.11.-1.08<\/td>\n<\/tr>\n
B\u03c611\u00d72\u03c61.4\u00d75.3x330H30\u00b0<\/td>\n11<\/td>\n+0.7,+1.4<\/td>\n\u00a0330<\/td>\n1.40<\/td>\n\u00b10.15<\/td>\n5.30<\/td>\n0,-0.8<\/td>\n0.30<\/td>\n59.86<\/td>\n+1.22,-1.19<\/td>\n<\/tr>\n
B\u03c612\u00d72\u03c61.4\u00d76.25x330H30\u00b0<\/td>\n12<\/td>\n+0.7,+1.4<\/td>\n330<\/td>\n1.40<\/td>\n\u00b10.15<\/td>\n6.25<\/td>\n0,-0.8<\/td>\n0.30<\/td>\n65.3<\/td>\n+1.34,-1.30<\/td>\n<\/tr>\n
B\u03c613\u00d72\u03c61.75\u00d76.5x330H30\u00b0<\/td>\n13<\/td>\n+0.7,+1.4<\/td>\n330<\/td>\n1.75<\/td>\n\u00b10.20<\/td>\n6.50<\/td>\n0,-0.8<\/td>\n0.37<\/td>\n70.74<\/td>\n+1.45,-1.40<\/td>\n<\/tr>\n
B\u03c614\u00d72\u03c61.75\u00d77.1x330H30\u00b0<\/td>\n14<\/td>\n+0.7,+1.5<\/td>\n\u00a0330<\/td>\n1.75<\/td>\n\u00b10.20<\/td>\n7.10<\/td>\n0,-0.8<\/td>\n0.40<\/td>\n76.18<\/td>\n+1.56,-1.51<\/td>\n<\/tr>\n
B\u03c615\u00d72\u03c61.75\u00d77.7x330H30\u00b0<\/td>\n15<\/td>\n+0.7,+1.5<\/td>\n\u00a0330<\/td>\n1.75<\/td>\n\u00b10.20<\/td>\n7.70<\/td>\n0,-0.8<\/td>\n0.40<\/td>\n81.62<\/td>\n+1.67,-1.62<\/td>\n<\/tr>\n
B\u03c616\u00d72\u03c61.75\u00d78.3x330H30\u00b0<\/td>\n16<\/td>\n+0.7,+1.6<\/td>\n\u00a0330<\/td>\n1.75<\/td>\n\u00b10.20<\/td>\n8.30<\/td>\n0,-0.8<\/td>\n0.40<\/td>\n87.06<\/td>\n+1.78,-1.83<\/td>\n<\/tr>\n
B\u03c617\u00d72\u03c61.75\u00d78.9x330H30\u00b0<\/td>\n17<\/td>\n+0.7,+1.6<\/td>\n\u00a0330<\/td>\n1.75<\/td>\n\u00b10.20<\/td>\n8.90<\/td>\n0,-0.8<\/td>\n0.45<\/td>\n92.5<\/td>\n+1.89,-1.84<\/td>\n<\/tr>\n
B\u03c618\u00d72\u03c62.3\u00d79.55x330H30\u00b0<\/td>\n18<\/td>\n+0.7,+1.7<\/td>\n\u00a0330<\/td>\n2.30<\/td>\n\u00b10.25<\/td>\n9.55<\/td>\n0,-0.8<\/td>\n0.50<\/td>\n97.95<\/td>\n+2.00,-1.94<\/td>\n<\/tr>\n
B\u03c619\u00d72\u03c62.3\u00d710.1x330H30\u00b0<\/td>\n19<\/td>\n+0.7,+1.7<\/td>\n330<\/td>\n2.30<\/td>\n\u00b10.25<\/td>\n10.10<\/td>\n0,-0.8<\/td>\n0.50<\/td>\n103.39<\/td>\n+2.12-2.05<\/td>\n<\/tr>\n
B\u03c620\u00d72\u03c62.5\u00d710.4x330H30\u00b0<\/td>\n20<\/td>\n+0.7,+1.7<\/td>\n330<\/td>\n2.50<\/td>\n\u00b10.25<\/td>\n10.40<\/td>\n0,-10<\/td>\n0.50<\/td>\n108.83<\/td>\n+2.23.-2.16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/h5>\n
3. Details of t<\/span><\/span><\/span><\/span><\/span><\/strong>ungsten carbide drill blanks<\/span><\/strong>\uff1a<\/span><\/span><\/span><\/span><\/span><\/strong><\/h5>\n

\"tungsten<\/a><\/p>\n

\"carbide<\/p>\n

\"carbide<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

Please send us inquiries for quotations and free samples for testing:<\/strong><\/p>\n

 <\/p>\n