Length of the bits for each diameter?

"Hi there, please see the following model with diameter and length size of the bits that comes in CO14B; CO2131 - 1/16"" - 1.875"" CO2132 - 5/64"" - 2.0"" CO2133 - 3/32"" - 2.5"" CO2134 - 7/64"" - 2.625"" CO2135 - 1/8"" - 2.75"" CO2136 - 9/64"" - 2.875"" CO2137 - 5/32"" - 3.125"" CO2139B - 3/16"" - 3.5"" CO4141 - 7/32"" - 3.75"" CO2145 - 1/4"" - 4.5"" CO2147 - 5/16"" - 4.5"" CO2151 - 3/8"" - 5.0"" CO2159 1/2"" - 6.0"" For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST."

Where is the 5/64" individual bit? (The only one I need to replace, of course!)

You always have to order any single bit or bit replacement separately, unless you can convince the company otherwise.

Does Bosch make a metric set????

This COB14B Drill bit set is at a standard or imperial measurement. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

Do either of the sets come with a bit holder? If not, what size bit holder would work?

The CO14B set doesn't come with a bit holder. The bits will work with drills that caters straight shank bits and three-flat shank bits. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7AM-7PM CST.

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🔥 Drill Like a Pro, Last Like a Legend ⚙️

PRECISION STABILITY - Thick web helix design minimizes bit wobble, delivering clean, accurate holes every time in the toughest materials.
UNMATCHED DURABILITY - Engineered with premium M42 cobalt alloy for 10x longer life than standard bits, perfect for relentless pros.
VERSATILE 14 PIECE SET - From 1/16" to 1/2", this comprehensive assortment covers all your drilling needs in metals like cast iron, aluminum, and light gauge steel.
HEAT DEFYING PERFORMANCE - Stay cool under pressure—these bits resist high temperatures, ensuring consistent precision on stainless steel and titanium.
READY TO GO ORGANIZATION - Comes in a sleek, durable case for easy transport and quick access—because your tools should work as hard as you do.

The BOSCH CO14B 14 Piece Assorted Set features premium M42 cobalt drill bits with 8% cobalt content, delivering 10 times the lifespan of standard bits. Designed for high heat resistance and enhanced stability via a thick web helix, this set excels in drilling stainless steel, titanium, cast iron, and light gauge metals. The 14-piece assortment, housed in a durable case, offers versatile sizes from 1/16" to 1/2", making it an essential upgrade for professionals demanding precision and longevity.

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Manufacturer	BOSCH
Part number	CO14B
Item Weight	454 g
Size	14 pc. Drill Bit Set
Color	H1555
Style	クラシック
Finish	Titanium
Material	Cobalt
Pattern	無地
Item Shape	長方形
Power source type	ハンドパワー。
Number Of Pieces	14
Measurement System	Inch
Included Components	14 x Drill Bits Case
Batteries Included	No
Batteries Required?	No

BOSCH CO14B 14 Piece Assorted Set with Case - Cobalt M42 Metal Drill Bits with 3 Flat Shanks for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light Gauge Metal

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