As an Amazon Associate, we earn from qualifying purchases. 4 Flutes, 3/8 in Milling Dia, Square End Mill - 55HL54|284-000178 - Grainger GRAINGER APPROVED . 284-000178 Gallery Attributes Brand name, Manufacturer name, ManufacturerGRAINGER APPROVED Attribute00, SKU55HL54 Attribute01, MPN284-000178 Attribute02N/A Attribute03Carbide Attribute04Bright (Uncoated) Attribute05Straight Attribute06, Attribute103/8 in Attribute07Fractional Inch Attribute085/8 in Attribute092-1/2 in Attribute11, Attribute120 in Attribute1330 ? Attribute14Spiral Attribute154 Attribute16, Attribute17Right Hand Attribute18Individual Attribute19Non-Coolant Through Attribute20, qtyInStock0 Attribute21284 Attribute22Roughing/Finishing Attribute23Square Attribute24Single End Attribute25Cast Iron; Stainless Steel; Steel; Super Alloy Attribute26Cast Iron; Nickel; Stainless Steel; Steel; Titanium Attribute27, Attribute29K; M; P; S Attribute28General Purpose Attribute3027112803 Attribute31, countryOfOriginUSA AttributeKey00Item? AttributeKey01Mfr. Model? AttributeKey02Catalog Page AttributeKey03Material AttributeKey04Finish AttributeKey05Shank Type AttributeKey06, height_Attrib, width_AttribMilling Diameter AttributeKey07Measurement System AttributeKey08Length of Cut AttributeKey09, length_AttribOverall Length AttributeKey10Shank Diameter AttributeKey11Neck Dia. AttributeKey12Neck Length AttributeKey13Helix Angle AttributeKey14Flute Type AttributeKey15Number of Flutes AttributeKey16Spiral Direction AttributeKey17Cutting Direction AttributeKey18Drilling Tool Configuration AttributeKey19Coolant Fed AttributeKey20Number of Coolant Holes AttributeKey21List Number AttributeKey22End Mill Application AttributeKey23End Mill Style AttributeKey24Single End/Double End AttributeKey25Material Applications AttributeKey26Primary Material Application AttributeKey27Primary Material Application ISO Code AttributeKey28Secondary Material Application AttributeKey29Secondary Material Application ISO Code AttributeKey30UNSPSC AttributeKey31Country of Origin AttributeKey32Product Description CategoryL1Machining CategoryL2Milling CategoryL3End Mills DimensionUnitinch HazmatFalse Extra Product Name4 Flutes, 3/8 in Milling Dia, Square End Mill - 55HL54|284-000178 - Grainger diameter, height, width0.375 length2.5 moq, multiple, tierMinQty11 tierPrice129.42 Distributor offers SellerSKUMOQIn stockMultiplePrices Grainger55HL54111 @ $29.42