Spyder Stinger Mach-Blue 11 -Piece High-speed Steel Jobber Length Twist Drill Bit Set

Name: Spyder Stinger Mach-Blue 11 -Piece High-speed Steel Jobber Length Twist Drill Bit Set
Brand: Spyder
SKU: 5001905727
Rating: 3.9 (72 reviews)

3.9

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The Spyder Stinger™ Mach-Blue™ Armor Plated high speed steel (HSS) bits are high performance metal and wood drilling bits that provide exceptional drill bit quality and durability, drilling performance, and value. The Mach-Blue™ armor plating combined with the advanced M-series alloy tool steel construction and proprietary heat treatment make these bits truly revolutionary - they retain sharper cutting edges for longer, have reduced heat build-up and cutting friction, and increased durability, rigidity, and breakage resistance. These incredibly durable bits are the Pro's choice for precision drilling, extended bit life, and value.

100x more holes and 8x faster than titanium or black oxide coated drill bits
Super-hard Mach-Blue™ Armor Plating retains sharper cutting edges, and reduces heat build-up and cutting friction
Durable drill bit for long drill life, precision holes, and increased speed and productivity in tough-to-drill applications
Impact-rated 1/4-in speed hex won’t slip in conventional 3-jaw chucks and is ideal for use in quick-change impacting power tools
Optimized 137-degree self-centering split point cutting geometry won't walk or wander -- even on pre-hardened or curved surfaces
Advanced M-Series alloy tool steel construction and proprietary heat treatment increase drill bit durability, rigidity and breakage resistance
Ideal for drilling stainless steel, mild steel, aluminum, wood, stacked materials and other difficult to drill alloys
Made in the USA with domestically and globally sourced materials
10pc set includes 1/16, 5/64, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8-in bits with case + a free 1/2-in bit

General
Material	High-speed steel	Series Name	Mach-Blue
Package Quantity	11	Shank Type	Hex
Type	Jobber length	Sub-Brand	Stinger

Dimensions
Maximum Drilling Depth	Set	Shank Size	1/4-in
Bit Diameter (Inches)	Assorted	Bit Length	Set

Features
Heavy Duty	Yes	Set/Individual	Set
Right/Left Hand	Right handed	Tip Geometry	137-degree split-point

Compatibility
For Use on Fiberglass	Yes	For Use on Stainless Steel	Yes
For Use on Metal	Yes	Brand/Model Compatibility	Universal
For Use on Wood	Yes	Compatible Tool	Drills/Impact drivers
For Use on PVC	Yes

Warranty
Warranty	None

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -

Miscellaneous
UNSPSC	20121600

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Review

3.9 out of 5

72 Reviews

60% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The drill bits performed well for some customers, being able to easily drill through tough materials without dulling or breaking. They were praised as sharp, durable, and a good value. However, many others found the bits to be brittle and prone to breaking, even when drilling into softer materials. Some also reported issues with the bit shanks. Overall, the reviews suggest inconsistent durability and suitability, with mixed results across customers.

Customer review summary generated by AI, including incentivized reviews.

72 Customer Reviews

Sort By

The only thing fast is how quickly it dulls

I bought this to drill into 3/16" steel posts. It took a ton of pressure on the drill to get it to cut the first 8 holes, and each one was slower than the last. Then it simply stopped cutting at all. I switched to a Milwaukee titanium bit I thought was too ordinary for the job. It sliced through the steel in seconds with no dropoff in speed through the final six holes. The Stinger ended up being a waste of money.

DrillerJuly 19, 2026
From Stinger 5_SLASH_16-in 4-1_SLASH_8-in High-speed steel Jobber length Twist Drill Bit

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Very Weak

Would Not Recommend

Used it the first time and it broke on my second hole. Very brittle

mike8427November 27, 2024
From Stinger Mach-Blue 1_SLASH_16-in 2-1_SLASH_2-in High-speed steel Jobber length Twist Drill Bit Verified Purchaser

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Terrible Product

Would Not Recommend

I have had this set since January 2024 and have had about 5-6 bits break! The company has honored the warranty and replaces the broken bits. However, I have had to submit 4 claims. Now I'm asking them to reimburse for what I paid at Lowes and I'll not make any more claims. We'll see?

DaltonNovember 24, 2024
From Stinger Mach-Blue 10 -Piece Assorted 1_SLASH_4-in High-speed steel Jobber length Twist Drill Bit Set Verified Purchaser