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Specification
Brand : Drill America
BulletPoint1 : High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
BulletPoint2 : Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
BulletPoint3 : Round shanks allow use with a wide variety of toolholding systems
BulletPoint4 : When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
BulletPoint5 : Ideal for drilling in low and medium tensile strength materials
BulletPoint6 : Made in the USA
Color : Round
CuttingAngleString : 118.0 degrees
ExternallyAssignedProductIdentifier1 : 887861227520
ExternallyAssignedProductIdentifier2 : 0887861227520
ExternallyAssignedProductIdentifier3 : 00887861227520
FinishType : Black Oxide
GpsrSafetyAttestation : 1
IncludedComponents : 12 Drill Bits
ItemName : Drill America 5/16" High Speed Steel Reduced Shank Drill Bit with 1/4" Shank (Pack of 12), D/ARSD Series
ItemPackageDimensions_Height : 2 inches
ItemPackageDimensions_Length : 6 inches
ItemPackageDimensions_Width : 4 inches
ItemPackageQuantity : 1
ItemTypeKeyword : reduced-shank-drill-bits
Manufacturer : Drill America
Material : High-Speed Steel
MfgSeriesNumber : 790
ModelNumber : D/ARSD5/16P12
NumberOfFlutes : 2
NumberOfItems : 12
PartNumber : D/ARSD5/16P12
ProductDescription : Specifications:
-Cutting Edge Diameter: 14mm
-Shank Diameter: 1/2 inch
-Cutting Edge Length: 2.22 inch
-Total Length: 5.9 inch
-Split Point: 135°

Material:
-9341 high speed steel, after heat treatment, has excellent hardness, making it suitable for use in high-friction environments.
-Drill bits made from high speed steel can effectively resist wear, extending their service life and making them suitable for drilling metals and other hard materials.
-9341 Reduced Shank Drill Bit can drill a variety of materials, including stainless steel, carbon steel after heat treatment, iron, aluminum alloy, copper, wood, plastic, etc., with strong adaptability, also including auto repair, modification, appliance installation repair

Surface Treatment：
-The black nitriding layer formed during the nitriding process effectively resists oxidation and corrosion, making it suitable for use in harsh environments and reducing maintenance frequency, provides lubricity, while the small pore structure effectively retains coolant, enhancing the cooling effect during the cutting process and reducing wear

TIP:
-When ues reduced shank drill bit, it's important to maintain a 90-degree vertical angle to ensure precision and accuracy.
-For power drills, it's recommended to use a model with a power rating of 750W or higher.
-Use water or coolant to lower the temperature and prevent the drill bit from overheating, especially when drilling stainless steel materials.
-For metals with high hardness and dense grain structure, use a slower drill speed than normal drilling, and cooling the workpiece will yield better results.
-When machining thick workpieces, if there are issues with chip removal, promptly clear the debris.

Package Content:
-1 pcs x Reduced Shank Drill Bit
ProductSiteLaunchDate : 2013-10-22T00:00:01-07:00
Size : 5/16"
Style : 1/4" Shank
SupplierDeclaredDgHzRegulation : not_applicable
SurfaceRecommendation : Alloy Steel
UnitCount : 12
UnspscCode : 27111700