Mata bor pembuat lubang sekrup/baut. Dalam satu paket terdiri dari 5 ukuran: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25 Thread Diameter :3mm (M3) / 4mm (M4) / 5mm (M5) / 6mm (M6) / 8mm( M8) Material : HSS ( High Speed Steel ) Panjang : 46mm / 49mm / 55mm / 59mm / 59mm Package Included: 5 x Machine Screw Thread Metric Plug Tap TAP DRILL SET ISI 7 BISA DILIHAT DI SINI: https://www.tokopedia.com/veemedia/tap-drill-bits-set-isi-7-mata-bor-pembuat-ulir-baut