Drill Sets - Imperial

29 Piece | Alpha Black Series Imperial Tuffbox Drill Set

Product Code: SI29PBB

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Key Features
Ideal for drilling hard ferrous metalsl.
Tough plastic case
Rugged rubber grips
Genuine alpha black series jobber drill bits
Strong locking catch

Technical Specifications
Brand ALPHA
Subcategory Drill Sets - Imperial
Series Black
Type of Measure Imperial
Set/Kit Set
Barcode 9342386070101
Category Drill Sets - Imperial
Longest side (mm) 225.00
Median side (mm) 135.00
Shortest side (mm) 80.00
Weight (gr) 1340.00
Order Quantity 1

Ideal for drilling hard ferrous metalsl.

  • Tough plastic case
  • Rugged rubber grips
  • Genuine alpha black series jobber drill bits
  • Strong locking catch
  • Feeds & speeds chart inside every drill set
  • Sizes available: 1/16 - 1/2″ in 1/64″ increments

Imperial (inch) Size Decimal Metric Product Code
  1/16 0.0652 1.65608 9LI116B
  5/64 0.0781 1.984375 9LI564B
  3/32 0.0938 2.38125 9LI332B
  7/64 0.1094 2.778125 9LI764B
  1/8 0.1250 3.175 9LI18B
  9/64 0.1406 3.571875 9LI964B
  5/32 0.1563 3.96875 9LI532B
 11/64 0.1719 4.365625 9LI1164B
  3/16 0.1875 4.7625 9LI316B
 13/64 0.2031 5.159375 9LI1364B
  7/32 0.2188 5.55625 9LI732B
 15/64 0.2344 5.953125 9LI1564B
  1/4 0.2500 6.35 9LI14B
 17/64 0.2656 6.746875 9LI1764B
  9/32 0.2813 7.14375 9LI932B
 19/64 0.2969 7.540625 9LI1964B
  5/16 0.3125 7.9375 9LI516B
 21/64 0.3281 8.334375 9LI2164B
 11/32 0.3438 8.73125 9LI1132B
 23/64 0.3594 9.128125 9LI2364B
  3/8 0.3750 9.525 9LI38B
 25/64 0.3906 9.921875 9LI2564B
 13/32 0.4063 10.31875 9LI1332B
 27/64 0.4219 10.715625 9LI2764B
  7/16 0.4375 11.1125 9LI716B
 29/64 0.4531 11.509375 9LI2964B
 15/32 0.4688 11.90625 9LI1532B
 31/64 0.4844 12.303125 9LI3164B
  1/2 0.5000 12.7 9LI12B

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