Slotted Tapping Screws | McMaster-Carr

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	Drive Style Drive Style	Show

	Slotted

	Drive Style Drive Style	Hide


Phillips	External Hex	Torx

Torx Plus	Slotted	Square

Tamper- Resistant Torx	Tamper- Resistant Hex	One Way

Drilled Spanner	Tri-Wing®

	System of Measurement System of Measurement

Inch

	Screw Size Screw Size

	Length Length

	Head Type Head Type


Rounded	Flat

Hex	Oval

	Tip Type Tip Type


Pointed	Blunt

Drilling

	Material Material

Stainless Steel

Steel

Brass

	Finish Finish

Corrosion-Resistant-Coated

Green-Dyed

Zinc Plated

	For Use In For Use In

	Tapping Screw Type Tapping Screw Type

	A/AB
	B
	BSD
	F
	Needle
	SW

	Screw Features Screw Features

	Flanged

	Threading Threading

	Fully Threaded
	Partially Threaded

	Tapping Method Tapping Method


Thread Forming	Thread Cutting

	Head Width Head Width

	Head Height Head Height

	Thread Size Thread Size

4-40
6-32
8-32
10-24
10-32
12-24
1/4"-20
5/16"-18
3/8"-16

	Approximate Threads per Inch Approximate Threads per Inch

	Drill Bit Size Drill Bit Size

	Drill Bit Decimal Size Equivalent Drill Bit Decimal Size Equivalent

	Shank Cross Section Shank Cross Section

Round

	Rounded Head Style Rounded Head Style


Pan	Round

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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About Tapping Screws

Steel Combination Slotted/Phillips
Rounded Head Screws for Sheet Metal

These steel screws are zinc plated to resist corrosion in wet environments.

Brass Combination Slotted/Phillips
Rounded Head Screws for Sheet Metal

Brass screws are corrosion resistant in wet environments and electrically conductive.

Stainless Steel Combination Slotted/Phillips
Rounded Head Screws for Sheet Metal

Made from 18-8 stainless steel, these screws are chemical resistant.

Steel Slotted Rounded Head Screws for Sheet Metal

These steel screws are zinc plated to resist corrosion in wet environments.

Stainless Steel Slotted Rounded
Head Screws for Sheet Metal

Made from 18-8 stainless steel, these screws are chemical resistant.

18-8 Stainless Steel Flanged Hex
Head Screws for Sheet Metal

18-8 stainless steel screws have good chemical resistance.

Super-Corrosion-Resistant 316 Stainless Steel
Flanged Hex Head Screws for Sheet Metal

More corrosion resistant than 18-8 stainless steel screws, these have excellent resistance to chemicals and salt water.

Steel Flanged Hex Head Screws for Sheet Metal

These steel screws are zinc plated to resist corrosion in wet environments.

Hex Head Blunt Screws for Sheet Metal

These screws have a hex head for a secure grip with a wrench.

Steel Flanged Piercing Screws for Sheet Metal

These steel screws are zinc plated to resist corrosion in wet environments.

Vibration-Resistant Serrated-Flange
Piercing Screws for Sheet Metal

Serrations under the head act as a brake to prevent over-tightening and damaging threads.

Steel Hex Head Drilling Screws for Metal

These steel screws have corrosion-resistant finishes.

Steel Hex Head Thread-Cutting Screws for Metal

These steel screws are zinc plated to resist corrosion in wet environments.

Electrical Grounding Screws

The green color identifies these as grounding screws. They have a flange that provides a wide flat surface for making solid electrical connections.

Hex Head Thread-Forming Screws for Metal

These screws have a hex head for a secure grip with a wrench.

Rounded Head Thread-Forming Screws for Metal

Also known as Swageform screws, threads at the tip are designed to grab material for a fast start with low torque in a wide range of materials.

Screws for Wood

Steel Slotted Flat Head Screws for Wood

These steel screws are zinc plated to resist corrosion in wet environments.

Stainless Steel Slotted Flat Head Screws for Wood

18-8 stainless steel screws have good chemical resistance.

Brass Slotted Flat Head Screws for Wood

Brass screws are corrosion resistant in wet environments and electrically conductive.

Stainless Steel Slotted Oval Head Screws for Wood

18-8 stainless steel screws have good chemical resistance.

Brass Slotted Oval Head Screws for Wood

Brass screws are corrosion resistant in wet environments and electrically conductive.

Steel Slotted Decorative
Rounded Head Screws for Wood

These steel screws are zinc plated to resist corrosion in wet environments.

Brass Slotted Decorative
Rounded Head Screws for Wood

Brass screws are corrosion resistant in wet environments and electrically conductive.

Stainless Steel Slotted Decorative
Rounded Head Screws for Wood

18-8 stainless steel screws have good chemical resistance.

Steel Hex Head Tapping Screws for Concrete, Block, and Brick

Steel Hex Head Tapping Screws
for Concrete, Block, and Brick

These blue and silver ultra-corrosion-resistant coated steel screws stand up to wet environments.

Tapping, Drilling, and Wood Screw Assortments

Tapping Screw Assortments
for Concrete, Block, and Brick

Also known as Tapcons, these screws are often used to anchor parts to concrete, block, and brick. Assortments include a drill bit.