Home
Job Track

For 24-HOUR EMERGENCY SERVICE: 

(610) 312-8100 or (877) 312-8100

Featured Products
Line Card
Schneider EZ Selector Tool
Quick Order
Home
Home
Featured Products
Line Card
Schneider EZ Selector Tool
Quick Order
loading content
Greenlee® Slug-Splitter SC® 28156 Self-Centering Replacement Knockout Punch, 1.115 in Dia Cutting, 3/4 in/PG 21 Conduit/Pipe
Documents
Catalog
Specification Sheet
Emerson ElectricGreenlee®

Greenlee® Slug-Splitter SC® 28156 Self-Centering Replacement Knockout Punch, 1.115 in Dia Cutting, 3/4 in/PG 21 Conduit/Pipe

Sku #78331028156

MFG #28156

Attributes

Type:Self-Centering
Conduit/Pipe Size:3/4 in/PG 21
Country of Origin:US
Cutting Diameter:1.115 in
Applicable Materials:10 ga Stainless Steel, Fiberglass, Mild Steel and Plastic
Documents
Catalog
Specification Sheet
Greenlee®Greenlee® Slug-Splitter SC® 28156 Self-Centering Replacement Knockout Punch, 1.115 in Dia Cutting, 3/4 in/PG 21 Conduit/Pipe
SKU #78331028156
MFG #28156
Please Log In or Register to view pricing.

Keep up to date with the latest products, special offers and news.

Colonial Electric Supply and it's divisions is a product supplier only. We do not serve as project engineers. Rather, we work with project engineers towards their design goals. We expect customers to obtain and use products in accordance with the manufacturer's intended use. We are not responsible for product malfunction due to misuse, with the exception of replacement per stated warranty conditions.

For 24-HR EMERGENCY SERVICE please call:

(610) 312-8100 or (877) 312-8100

Resources

LED CatalogSchneider EZ Selector ToolTerms & ConditionsPrivacy Policy

Company

About UsCareersCharity & CommunityCoStars

Support

Contact UsLocationsReturns Policy

Divisions

Colonial TelTekColonial Major ProjectsBright Light Annapolis Lighting
© 2026 Colonial Electric Supply. All Rights Reserved.