SHERWOOD S100 HSS Black Oxide Stub Drill Inch Sizes - Techno Tools &

Overview Summary

The SHERWOOD Series S100 HSS Straight Shank Stub Drill is designed for reliable and precise drilling in steels, cast iron, alloy steel and malleable cast iron. Manufactured from high speed steel (HSS) with a durable black oxide finish, these stub drills offer excellent strength, rigidity and wear resistance.

Stub drills feature a shorter flute length and overall length compared to standard jobber drills, improving rigidity and reducing deflection during machining. They are especially suitable for use on automatic and turret lathes where accuracy and stability are critical.

Manufactured to BS 328 Part 1 and DIN 1897 standards, SHERWOOD S100 drills ensure consistent performance in demanding industrial applications.

Key Features

Manufactured from High Speed Steel (HSS) for durability
Black oxide finish improves heat resistance and wear life
Short stub length increases rigidity and drilling accuracy
118° point angle for general purpose drilling
Right hand cutting direction
Normal helix spiral flute design
Suitable for automatic and turret lathes
Manufactured to BS 328 Part 1 and DIN 1897 standards
Ideal for drilling steels, cast iron and alloy materials

Typical Applications

General purpose drilling
Steel drilling
Cast iron machining
Alloy steel drilling
Malleable cast iron work
Production machining
Automatic lathe operations
Turret lathe drilling

Multi-Variation Specification Table

Model No	Drill Diameter	Overall Length (mm)	Flute Length (mm)
SHR0254943B	3/32"	43	14
SHR0254944C	1/8"	49	18
SHR0254945D	9/64"	52	20
SHR0254946E	5/32"	55	22
SHR0254947F	11/64"	58	24
SHR0254948G	3/16"	62	26
SHR0254949H	13/64"	62	26
SHR0254950J	7/32"	66	28
SHR0254951K	1/4"	70	31
SHR0254952L	17/64"	74	34
SHR0254953M	5/16"	79	37
SHR0254954N	11/32"	84	40
SHR0254955P	3/8"	89	43
SHR0254956Q	7/16"	95	47
SHR0254957R	1/2"	102	51

General Technical Specifications

Attribute	Value
Brand	SHERWOOD
Series	S100
Product Type	Straight Shank Stub Drill
Material	High Speed Steel (HSS)
Finish / Coating	Black Oxide
Drill Type	Stub Drill
Shank Type	Straight Shank
Cutting Direction	Right Hand
Flute Type	Spiral
Number of Flutes	2
Helix Type	Normal Helix
Helix Angle	10° – 20°
Point Angle	118°
Web Thickness	Standard
Coolant Delivery	External
Drill Diameter Tolerance	h8
Shank Diameter Tolerance	f11
System of Measurement	Inch
Individual or Set	Individual
Typical Applications	Steel, Cast Iron, Alloy Steel, Malleable Cast Iron
Standards Met	BS 328 Part 1 : 1986
Additional Standard	DIN 1897

Package Content

1 Piece SHERWOOD S100 HSS Black Oxide Stub Drill
Individually packed
Supplied in protective packaging

Warranty Term

Covered by SHERWOOD manufacturer warranty
Warranty applies against manufacturing defects
Does not cover wear from misuse or improper application

Why Choose SHERWOOD

SHERWOOD cutting tools are engineered for precision, durability and consistent industrial performance. Manufactured to internationally recognized standards, SHERWOOD tools deliver dependable results across a wide range of machining environments.

With strict quality control and reliable material selection, SHERWOOD stub drills provide excellent machining accuracy, longer service life and dependable performance for both workshop and production use.