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"Precision Tools for Professional Results"

Big Gator Tools was established in 2005 and is now marketing the most universal patented drill and tap guides ever sold. Guides are made from a special nickel alloyed steel that is heat-treated and ground along bottom surface to assure stability and accurate perpendicular alignment on flat surfaces. All guides have a 90 degree V-groove along the bottom that allows perpendicular alignment on round parts as well as corners.

TAP GUIDES: Holes are sized for ANSI Standard and Metric Ground Thread Taps.

Standard V-TapGuides can handle tap sizes: ( 0-80, 1-64, 1-72, 2-56, 2-64, 3-48, 3-56, 4-36, 4-40, 4-48, 5-40, 5-44, 6-32, 6-36, 6-40, 8-32, 8-36, 8-40, 10-24, 10-32, ¼-20, ¼-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, ½-13, ½-20, 5/8-11, 5/8-18)

Metric V-TapGuides can handle tap sizes: ( 1.6mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm)

STI TAP GUIDES: (Screw Thread Inserts)

STI-UNC V-TapGuides can handle standard ground STI hand tap sizes: (Unified Coarse Threads: 9/16-12, 1/2-13, 7/16-14, 3/8-16, 5/16-18, 1/4-20, 12-24, 10-24, 8-32, 6-32)

STI-UNF V-TapGuides can handle standard ground STI hand tap sizes: (United Fine Threads: 5/8-18, 9/16-18, 1/2-20, 7/16-20, 3/8-24, 5/16-24, 1/4-28, 10-32, 8-36)

DRILL GUIDES:

Standard V-DrillGuides are made for 17 standard drill sizes: (1/8 to 3/8 in 1/64 increments) Covers all the drill sizes in a standard 3/8 drill index except drill sizes smaller than 1/8”. Heat treated for durability like drill bushings. It’s like having a portable drill press anywhere! Straight perpendicular alignment wherever you go.

Standard V-DrillGuides-Large are made for 9 standard drill sizes: (3/8 to 1/2 in 1/64 increments) 

Metric V-DrillGuides can handle drill sizes: 3, 3.3, 3.5, 4, 4.2, 4.5, 5, 5.5, 6, 6.5, 6.8, 7, 7.5, 8.0, 8.5, 9, 9.5mm

For more information and video, please see: Versatile Big Gator Tools Hand Drill and Tap Guides in our Tips & Support Blog.