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Specification
Brand : Rolson
BulletPoint1 : Ideal for small drill bits upto 1mm
BulletPoint2 : Ideal for precision drilling
BulletPoint3 : A small spiral type hand drill which is operated by pushing centrepiece up and down
BulletPoint4 : DOWNLOADABLE USER GUIDE - We've summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet. In most cases, our customers would get a much better result with these tips. Welcome to download.
BulletPoint5 : LENGTH OF THE BITS: 3/64(1.73"), 1/16(1.89"), 5/64(2.01"), 3/32(2.24").
Color : Black
CustomerPackageType : Standard Packaging
CuttingAngleString : 135.0 degrees
ExternallyAssignedProductIdentifier1 : 798256091797
ExternallyAssignedProductIdentifier2 : 0798256091797
ExternallyAssignedProductIdentifier3 : 5029594591591
ExternallyAssignedProductIdentifier4 : 05029594591591
ExternallyAssignedProductIdentifier5 : 00081838741044
FinishType : Gold
GpsrSafetyAttestation : 1
IncludedComponents : 19 piece of metric cobalt drill bits
ItemDisplayDimensions_Height : 0.08 inches
ItemDisplayDimensions_Length : 2 inches
ItemDisplayDimensions_Width : 0.08 inches
ItemName : Rolson Archimedean Drill
ItemPackageDimensions_Height : 2 centimeters
ItemPackageDimensions_Length : 18 centimeters
ItemPackageDimensions_Width : 5.5 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : jobber-drill-bits
Manufacturer : Rolson
Material : Cobalt Steel
ModelNumber : 59159
NumberOfFlutes : 1
NumberOfItems : 19
NumberOfPieces : 2
PackageLevel : unit
PartNumber : 59159
ProductDescription :
M35 Grade Cobalt Steel
Cobalt drill bits are not made of pure cobalt, but rather a steel alloy with certain percent cobalt. The 5-percent alloy is known as M35 grade. The cobalt increases the strength of the steel and makes it more heat-resistant.

For Drilling Stainless Steel
This set of M35 cobalt steel drill bits are particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too.

Lowest Cost Per Hole Drilled
Cobalt drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer. With an extended tool life, Hymnorq cobalt drill bits will give you the lowest cost per hole drilled.

Not Suggested for Hardened Steel, High Carbon Steel and Steels Blended with Impurities
M35 grade cobalt drill bits are NOT suitable for hardened steel, high carbon steel and heat-treated steel by the experiences of some customers.

Cooling Liquid Required
Please use with cooling liquid to prolong the working life of the drill bits and to avoid overheating and breakage.

About Breakage
It's a common sense that harder stuffs are more brittle. While the 5% cobalt makes the bits much harder and more durable, it also makes the drill bits more brittle than traditional steel drill bits.
Please be careful when you drill holes with these needle-like small bits. They're more likely to break than larger ones.
ProductSiteLaunchDate : 2012-08-10T07:46:44.958Z
Size : 1 - pack
StreetDate : 2012-10-09T00:00:01Z
Style : 1 - Pack
SupplierDeclaredDgHzRegulation : not_applicable
SurfaceRecommendation : Stainless Steel,Steel
SurfaceRecommendation1 : Wood
SurfaceRecommendation2 : Plastic
SurfaceRecommendation3 : Stainless Steel
SurfaceRecommendation4 : Aluminum
UnitCount : 1
UnspscCode : 27112700