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Micro 100 SD-156 Spade Drill, 118° Point Angle, 5/32' Dia, 1.511' Flute Length, .025' Web Thickness, 5/32' Shank Dia, 2' OAL, Uncoated

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$18.85

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About this item

Designed for drilling in hardened materials
Excellent option when requiring holes free of retract marks in non-ferrous materials
Solid carbide
CNC ground in the USA

Product Description

Micro 100's Holemaking Drills & Combined Drill & Countersinks

Micro 100's Drills offering includes Spotting & Centering Drills, Spade Drills, and Jobber Length Drills, each engineered to fulfill a unique drilling purpose, ground from solid carbide, fully stocked, and ready to ship same day.

Spade Drills

Micro 100's "SD" product line, its offering of Spade Drills, is designed for drilling in hardened materials and is an excellent option when requiring holes free of retrack marks in non-ferrous materials.

Spotting & Centering Drills

Available in 82°, 90°, and 120° included point angles, this solid carbide spotting and centering drill is optimized for spotting and chamfering applications, but can be utilized for countersinking, as well.

Jobber Length Drills

Micro 100's solid carbide Jobber Length Drills, offered in drill diameter sizes from .0312" to .3125", feature a 118° included point, making it an excellent option for general purpose drilling.

Combined Drill & Countersink

Engineered for predrilling 60° live center holes, and often utilized for countersinking and spot drilling, this double-ended, solid carbide Combined Drill and Countersink is CNC ground in the USA.

Micro 100 Coating Options

Micro 100 coatings are designed to relieve machinists of common machining woes and mishaps. From aiding in chip evacuation while machining gummy materials to adding tool strength and durability to last through aggressive machining operations in difficult-to-machine materials. Our coating offering is designed to help you accomplish success in turning and milling applications. Our coated tools are all fully stocked and ready to ship the same day.



Material	General Purpose, ferrous and non-ferrous materials	Abrasive non-ferrous alloys such as Brass, Bronze, Copper, and Abrasive Aluminum Alloys	Alloy steels, stainless steels, tool steels, titanium, Inconel, nickel, and other aerospace materials	Aluminum Alloy Steels, Carbon Steels, Stainless Steels, Hardened Steels, Nickel Alloys, Cast Irons, Titanium, and other High Temperature Alloys
Color	Gold	Light Gold/Champagne	Dark Gray/Black	Black/Gray
Structure	Mono-layer	Mono-layer	Multi-layer	Nano-composite
Hardness	2170 (21 GPa)	2460 (24 GPa)	3569 (35 GPa)	4079 (40 GPa)
Coefficient of Friction	0.50	0.50	0.60	0.45
Coating Thickness (microns)	2 - 5	2 - 5	2 - 5	1 - 7
Max Working Temp	1,000º F	1,100º F	1,400º F	2,012º F

Samuel Swanson

Reviewed in the United States on March 24, 2025

Nice

SKIVVY NINE

Reviewed in the United States on October 18, 2022

Superb cutting.

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