Model Number: TD-026 Brand Name: FANXI Key Specifications/Special Features: HSS center drills plain type titanium coatedPlain type HSS center drills are designed to produce accurate center holes in components which require machining between centers.All center drills are fully ground, spiral flute, right hand, 60-degree included angle.Left hand, 82-degree & 90-degree included angle are available on request.HSS-Co center drills are available on request.Center drills set are available on request. Metric Size: ( DIN333 Type A, Plain Type ) Drill Dia. Body Dia. Flute Length Overall Length 1.0mm 3.15 1.9 31.5 1.25mm 3.15 2.2 31.5 1.6mm 4 2.8 35.5 2.0mm 5 3.3 40 2.5mm 6.3 4.1 45 3.15mm 8 4.9 50 4.0mm 10 6.2 56 5.0mm 12.5 7.5 63 6.3mm 16 9.2 71 8.0mm 20 11.5 80 10.0mm 25 14.2 100 Inch Size: ( Plain Type ) Size # Drill Dia. Body Dia. Flute Length Overall Length 1# 3/64" 1/8" 3/64" 1-1/4" 2# 5/64" 3/16" 5/64" 1-7/8" 3# 7/64" 1/4" 7/64" 2" 4# 1/8" 5/16" 1/8" 2-1/8" 4-1/2# 9/64" 3/8" 9/64" 2-1/2" 5# 3/16" 7/16" 3/16" 2-3/4" 6# 7/32" 1/2" 7/32" 3" 7# 1/4" 5/8" 1/4" 3-1/4" 8# 5/16" 3/4" 5/16" 3-1/2" 9# 11/32" 7/8" 11/32" 3-5/8" 10# 3/8" 1" 3/8" 3-3/4"