178A Fillet or Radius Gage, Inch Reading, 1/32-1/4" Range (Concave and Convex), 64ths Increments, 30 Leaves 50664

The Starrett 178 Series Fillet or Radius Inch Reading Gages are very useful for tool and diemakers, machinists, screw machine operators, patternmakers and other mechanics to lay out and check radii of tools, dies, patterns, and more. 30 Leaves, 1/32-1/4" Range, 64ths increments.

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  • Very useful for tool and diemakers, machinists, screw machine operators and patternmakers to lay out and check radii of tools, dies, and patterns
  • Made of nicely finished, high quality steel
  • 1/32-1/4" concave and convex reading
  • Includes 30 leaves


  • Range (in): 1/32-1/4"
  • Increments: 64ths
  • Number of Leaves: 30


    Member of Kit
    Item #DescriptionPart No.QtyInformation
    1CASE, FRONT12240-01
    2CASE, BACK12215-01
    3NUT, .125-4005858-01
    4NUT, .125-4018259-01
    7LEAF, 1/32 CONCAVE07720-11
    8LEAF, 3/64 CONCAVE07720-21
    9LEAF, 1/16 CONCAVE07720-31
    10LEAF, 5/64 CONCAVE07720-41
    11LEAF, 3/32 CONCAVE07720-51
    12LEAF, 1/8 CONCAVE07720-71
    13LEAF, 9/64 CONCAVE07720-81
    14LEAF, 5/32 CONCAVE07720-91
    15LEAF, 11/64 CONCAVE07720-101
    16LEAF, 13/64 CONCAVE07720-121
    17LEAF, 7/32 CONCAVE07720-131
    18LEAF, 15/64 CONCAVE07720-141
    19LEAF, 1/4 CONCAVE07720-151
    20LEAF, 1/32 CONVEX07721-11
    21LEAF, 3/64 CONVEX07721-21
    22LEAF, 1/16 CONVEX07721-31
    23LEAF, 5/64 CONVEX07721-41
    24LEAF, 3/32 CONVEX07721-51
    25LEAF, 7/64 CONVEX07721-61
    26LEAF, 1/8 CONVEX07721-71
    27LEAF, 9/64 CONVEX07721-81
    28LEAF, 5/32 CONVEX07721-91
    29LEAF, 11/64 CONVEX07721-101
    30LEAF, 3/16 CONVEX07721-111
    31LEAF, 13/64 CONVEX07721-121
    32LEAF, 7/32 CONVEX07721-131
    33LEAF, 15/64 CONVEX07721-141
    34LEAF, 1/4 CONVEX07721-151
    35LEAF, 7/64 CONCAVE07720-61
    36LEAF, 3/16 CONCAVE07720-111


    Catalog 33 - Section 16 - Fixed Gage Standards

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