Home Knockout Punches Greenlee Knockout Set
Greenlee knockout-system guide
Greenlee knockout sets span manual ratchet, hydraulic pump, battery-hydraulic and Intelli-PUNCH systems. The punch name alone is not enough: driver type, conduit size, draw stud and material capacity determine which Greenlee setup is documented for the job.
Greenlee compatibility shortcut
Separate manual draw-stud systems from hydraulic draw-stud systems. Greenlee explicitly shares hydraulic draw studs across Intelli-PUNCH, LS50L2 and the 746A ram, but that does not make every manual stud or punch setup universal.
Last technical review for this page: August 26, 2026.
| System / example | Driver type | Size range | Published material capacity | Key system detail |
|---|---|---|---|---|
| 7238SB | Manual high-leverage ratchet | 1/2"–2" | Up to 10-ga mild steel | Slug-Buster punches with 7/16" and 3/4" ball-bearing draw studs |
| 7236 | Hydraulic punch/die set; driver separate | 1/2"–2" | Up to 10-ga mild / 12-ga stainless | Hydraulic Slug-Buster punch/die set; confirm driver and hydraulic studs separately |
| 7806SB Quick Draw | 8-ton hydraulic | 1/2"–2" | Use current punch specifications | Greenlee states the driver works with all Greenlee knockouts up to 2" |
| 7310SB | 11-ton 746A ram + 767 hand pump | 1/2"–4" | Up to 10-ga mild / 12-ga stainless | 1/2"–2" Slug-Buster; 2-1/2"–4" Standard Round; three hydraulic draw-stud sizes |
| LS50L11B / LS50L11B4 | 7-ton battery-hydraulic | 1/2"–2" or 1/2"–4" | Up to 10-ga mild / 12-ga stainless | LS50L2 driver, auto-stop, rotating head; larger kit adds 1-1/8" draw stud and Standard Round punches above 2" |
| LS100X11SB4 | 11-ton Intelli-PUNCH battery-hydraulic | 1/2"–4" | Up to 10-ga mild / 12-ga stainless | Pressure-sensing auto-retract; same hydraulic draw-stud family documented with LS50L2 and 746A ram |
| LS100X11SS4 | 11-ton Intelli-PUNCH battery-hydraulic | 1/2"–4" Slug-Splitter system | Follow current Slug-Splitter punch specifications | Separate Slug-Splitter punch family; Greenlee explicitly documents use with other brands designed for hydraulic tools on this kit page |
Greenlee describes Slug-Buster as a punch profile that splits the slug for easier removal. Its current product overview lists Slug-Buster through 2" conduit sizes, and many 1/2"–4" kits combine Slug-Buster punches through 2" with Standard Round punches above that.
Greenlee’s current 7310SB, LS50L11B4 and LS100X11SB4 configurations use Standard Round punches for 2-1/2"–4" while retaining Greenlee dies and hydraulic draw studs across the full set.
Slug-Splitter appears in selected Intelli-PUNCH 11-ton kits such as LS100X11SS4. Treat it as a distinct documented system; do not substitute the name “Slug-Buster” when checking replacement punches or dies.
The current 7238SB manual kit is a good example. It includes Greenlee’s high-leverage ratchet wrench, 1/2"–2" Slug-Buster punches/dies, a 7/16" ball-bearing draw stud and a 3/4" ball-bearing draw stud. Greenlee specifies the kit for up to 10-gauge mild steel.
By contrast, current hydraulic and battery-hydraulic systems such as 7310SB, LS50L11B and LS100X11SB4 are documented for up to 10-gauge mild steel or 12-gauge stainless steel and use Greenlee’s hydraulic draw-stud path.
The complete punch/die/driver/stud system has to be documented for the material. A manual-kit rating should not be overwritten simply because a related Greenlee punch family also appears in a hydraulic product line.
Greenlee makes one unusually useful compatibility statement on several current hydraulic and battery-hydraulic product pages: the same draw studs are used with Intelli-PUNCH, LS50L2 and the 746A ram.
| Hydraulic size path | Typical Greenlee draw-stud size | Where it appears |
|---|---|---|
| 1/2" conduit-size knockout | 7/16" hydraulic draw stud | Current LS50L2, Intelli-PUNCH and 746A-based kits |
| Common 3/4"–2" conduit sizes | 3/4" hydraulic draw stud | Current 1/2"–2" and larger hydraulic/battery kits |
| Larger 2-1/2"–4" conduit sizes | 1-1/8" hydraulic draw stud | Current 1/2"–4" hydraulic/battery kits such as 7310SB and LS50L11B4 |
This shared hydraulic-stud statement is useful, but it should not be extended to the ball-bearing manual studs in 7238SB without separate documentation.
Greenlee states on current 7310SB, LS50L2 and Intelli-PUNCH product pages that the applicable driver works with all Greenlee knockouts, subject to the size and punch specifications of that system.
The current Intelli-PUNCH Slug-Splitter kit page states that the driver works with all Greenlee knockouts and other brands designed for use with a hydraulic tool. This is manufacturer documentation for that driver context.
That cross-brand wording should not be copied onto manual ratchet kits or every Greenlee hydraulic combination. Verify the exact driver, draw stud, spacer, punch/die size and material.
Appropriate when a manual workflow and common 1/2"–2" mild-steel sizes fit the job. It is not the stainless-capacity choice shown on Greenlee’s hydraulic kits.
Useful when you want the traditional 11-ton ram/pump system and the broader 1/2"–4" range with hydraulic draw studs.
Choose between the compact 7-ton LS50L2 and 11-ton Intelli-PUNCH workflow based on size, force and automation needs. Both have current Greenlee kits with Slug-Buster punch ranges.
If you already own Greenlee or competitive hydraulic punches, verify the exact Greenlee driver page before assuming reuse. The LS100X11SS4 page is especially explicit about cross-brand hydraulic-tool punch use.
Decide whether you need manual, hydraulic pump or battery-hydraulic operation and confirm your required size/material range before shopping. Match the exact Greenlee catalog number whenever possible.
Greenlee currently sells individual Slug-Buster replacement punches and replacement cases in addition to complete kits. Current replacement-punch pages identify the conduit size, actual hole size and material capacity, and some also state which driver categories may be used.
For replacement shopping, use the Greenlee catalog number whenever possible. “1-1/2 inch knockout punch” is not enough to distinguish Slug-Buster, Standard Round, Slug-Splitter, manual/hydraulic stud requirements or obsolete/replaced catalog numbers.
See the Greenlee Draw Stud Guide for the DSBB manual versus DSH hydraulic distinction and the 7/16, 3/4 and 1-1/8 inch hydraulic size paths.
Greenlee describes Slug-Buster as a slug-splitting profile and currently lists that family through 2" conduit size. Several 1/2"–4" Greenlee kits use Standard Round punches for the larger 2-1/2"–4" positions.
Do not assume so. The current 7238SB manual ratchet kit is specified for up to 10-gauge mild steel, while selected hydraulic and battery-hydraulic Greenlee systems are rated for up to 10-gauge mild or 12-gauge stainless.
Greenlee explicitly states on current product pages that the same hydraulic draw studs are used with Intelli-PUNCH, LS50L2 and the 746A ram.
Some current Greenlee driver documentation supports cross-brand hydraulic punch use. The Intelli-PUNCH Slug-Splitter kit page is one example. That statement should not be generalized to every manual or hydraulic setup.
Slug-Splitter is a separate Greenlee punch family offered in selected Intelli-PUNCH 11-ton kits. Treat it as its own punch/die system when replacing components.