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Dillon Supply Item # (8 digits) Qty
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25910299
Union Butterfield 1010299 Fractional Machine Screw Plug Tap 1/4-28 UNC 0.2550 in Shank Dia 2 Flute HSS
Dillon Part #: 25910299
Mfg. Part #: 1010299
Pkg Qty: 1EA
Price:
Qty:
 EA
Shipping Availability Terms

Quick Ship: These items are normally stocked within your territory and will be shipped same day if order is placed by 3:00 pm eastern time. Standard ground shipping will be utilized for most items. Items that may be of excessive size will be shipped LTL which may increase delivery time.

Ready to Ship: These items may be in stock either within a Dillon warehouse or at the manufacturer. Standard shipping time will be 3 to 5 business days in most instances. Standard ground shipping will be utilized for most items. Items that may be of excessive size will be shipped LTL which may increase delivery time.

  • Spiral point taps are designed to solve the problem of tap breakage in through hole applications in a variety of materials
  • The angular flutes in the cutting face propel the chips ahead of the cutting zone, thus reducing loading and clogging in the flutes
  • The 1585 style features eccentrically relieved threads with full pitch diameter relief
  • These taps are extremely free cutting, resulting in longer tool life. The use of rigid tapping equipment is highly recommended with this style of tap
  • Bright finish - improves chip flow in soft or non-ferrous materials
  • H3 Tolerance Limit
  • Class 3B
  • Square Size: 0.2550 in
  • Square Length: 5/16 in
  • Flute Length: 1 in
  • Overal Length: 2 1/2 in
  • Shank Dia.: 0.2550 in
Thread Size 1/4 in
Threads Per Inch 28
Thread Standard UNC
No. of Flutes 2
Cutting Direction Right Hand
Style Plug
Applicable Materials Steel, Stainless Steel, Cast Iron, Titanium, Nickel, Copper, Aluminum Magnesium, Synthetic Materials
Material High Speed Steel
Thread - TPI or Pitch 1/4-28
Type Series 1585, Spiral Point, Relieved
Quantity 1 per pack
  • Meets ANSI Specification