Dominate Every Hole

Spyder® metal drilling bits are built for speed, accuracy, and extreme durability in the toughest metals. Advanced tip designs, optimized flute geometry, and pro-grade materials keep chips moving, cutting edges sharp, and holes clean—even in stainless steel, cast iron, and other hard alloys.

A set of 10 assorted high-speed steel twist drill bits with blue armor plating and silver-colored handles.

Metal and Stainless Steel

Two blue hex shank step drill bits with different sizes, marked with their respective inch measurements.

Step Drill Bits

A single twist drill bit with Mach-Blue® armor plating, showing a split point and shank designed for use in power tools.

Twist Drill Bits

Metal Drilling Bits

A single twist drill bit with Mach-Blue® armor plating, showing a split point and shank designed for use in power tools.

Mach-Blue® High Speed Steel (HSS) Drill Bits

Item #ShankDiameter
190001/4"1/16"
190011/4"5/64"
190021/4"3/32"
190031/4"7/64"
190041/4"1/8"
190051/4"9/64"
190061/4"5/32"
190071/4"11/64"
190081/4"3/16"
190091/4"13/64"
190101/4"7/32"
190111/4"15/64"
Item #ShankDiameter
190121/4"1/4"
191391/4"17/64"
190131/4"5/16"
191421/4"21/64"
191431/4"11/32"
190141/4"3/8"
191451/4"25/64"
191461/4"13/32"
191471/4"27/64"
190151/4"7/16"
191491/4"15/32"
190161/4"1/2"
A set of 10 assorted high-speed steel twist drill bits with blue armor plating and silver-colored handles.

Mach-Blue® High Speed Steel (HSS) Drill Bit Sets

Set Item # Pieces Shank Contents
19017 10 1/4" 1/16" (x2), 5/64", 3/32", 1/8" (x2), 5/32", 3/16", 1/4", 3/8" in Plastic Case
Silver & Deming Tri-Flat Drill Bits

Silver & Deming Tri-Flat Drill Bits

Item #ShankDiameter
19157Tri-Flat9/16"
19158Tri-Flat5/8"
19159Tri-Flat3/4"
19160Tri-Flat1"
A blue hex shank step drill bit with size indicators from 3/16 to 1-1/8 inches and a red 'USA' marking.

Step Bits

Item #ShankDiameterSteps
190191/4"1/8" - 1/2"13
190201/4"3/16" - 1/2"6
190211/4"1/4" - 3/4"9
190221/4"3/16" - 7/8"12
190711/4"1/4" - 1"13
190231/4"3/16" - 1-1/8"16
190241/4"1/4" - 1-3/8"10
Two blue hex shank step drill bits with different sizes, marked with their respective inch measurements.

Step Bit Sets

Set Item # Pieces Shank Contents
19025 2 1/4" (13 Step) 1/8" - 1/2", (12 Step) 3/16" - 7/8"
TetraClad™ Coated Spyder branded drill bit on a white background

TetraClad™ Drill Bits

Item #PiecesDiameter
10050021/16"
10050223/32"
10050327/64"
10050421/8"
10050519/64"
10050615/32"
10050813/16"
Item #PiecesDiameter
100509113/64"
10051017/32"
10051211/4"
10051615/16"
10052013/8"
10052811/2"
Set of Spyder® TetraClad™ drill bits on a white background

TetraClad™ Drill Bit Sets

Set Item # Pieces Contents
100532 15 1/16" (x2), 5/64", 3/32", 7/64", 1/8" (x2), 9/64", 5/32", 3/16" (x2), 7/32", 1/4", 5/16", 3/8"

Precision Meets Power

The Stinger™ Mach-Blue™ Armor Plated HSS bits deliver up to 100x more holes and 8x faster performance than titanium or black oxide bits, while resisting heat build-up and edge wear. Mach-Blue™ step bits last up to 50x longer and cut 2x faster, making them ideal for electrical work, enlarging holes in sheet metal, and drilling stacked materials. Both feature self-centering split points to prevent walking, impact-rated 1/4-in speed hex shanks for quick changes, and Made in the USA.