Relay Socket Punches | McMaster-Carr

Filter by

For Use On

Shape

System of Measurement

Hole Diameter

Pipe Size

Conduit Trade Size

Stud Diameter

Sold As

For Cutting

For Maximum Steel Thickness

Thread Size

Stud Length

Hole Length

Punching Force

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Hole Width

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

Conduit Thread Size

Number of Poles

144 Products

Stud-Driven Hole Punch Sets with Right-Angle Hydraulic Driver

Rotate the angled head of the driver up to 180° to fit it into tight spaces and supply eight tons of force to the hole punches. Turn the included stud into the punch to draw it through sheets of metal, plastic, and fiberglass and create a hole. Drill pilot holes slightly larger than the size of the stud. These are also known as knockout and chassis punches.

	For Pipe Size	For Conduit Trade Size	For Max. Steel Thk.	Punching Force, lbf	Head Rotation Angle	Container Type		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Stainless Steel, Steel



	6 Punches, 6 Dies, 2 Studs, Hydraulic Driver, Hydraulic Oil	1/2, 3/4, 1, 1 1/4, 1 1/2, 2	1/2, 3/4, 1, 1 1/4, 1 1/2, 2	1/8"	16,000	180°	Plastic Case	34685A63	000000000

Stud-Driven Hole Punch Sets with Straight Hydraulic Driver

The driver supplies eight tons of force to the hole punches in this set to make straight punches. Turn the included stud into the punch to draw it through sheets of metal, plastic, and fiberglass and create a hole. Drill pilot holes slightly larger than the size of the stud. These are also known as knockout and chassis punches.

	For Pipe Size	For Conduit Trade Size	For Max. Steel Thk.	Punching Force, lbf	Container Type		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Stainless Steel, Steel



	6 Punches, 6 Dies, 2 Studs, Hydraulic Driver, Hydraulic Oil	1/2, 3/4, 1, 1 1/4, 1 1/2, 2	1/2, 3/4, 1, 1 1/4, 1 1/2, 2	1/8"	16,000	Plastic Case	34685A61	000000000

Stud-Driven Hole Punch Sets with High-Powered Straight Hydraulic Driver

Create larger holes and make repeated punches with these drivers that supply 11 tons of force to the included hole punches. Turn the included stud into the punch to draw it through sheets of metal, plastic, and fiberglass and create a hole. Drill pilot holes slightly larger than the size of the stud. These are also known as knockout and chassis punches.

	For Pipe Size	For Conduit Trade Size	For Max. Steel Thk.	Punching Force, lbf	Container Type		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Stainless Steel, Steel



	6 Punches, 6 Dies, 2 Studs, 3-ft. Hose, Hydraulic Driver, Hydraulic Oil	1/2, 3/4, 1, 1 1/4, 1 1/2, 2	1/2, 3/4, 1, 1 1/4, 1 1/2, 2	1/8"	22,000	Plastic Case	34685A62	000000000


	10 Punches, 10 Dies, 3 Studs, 3-ft. Hose, Hydraulic Driver, Hydraulic Oil	1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 3 1/2, 4	1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 3 1/2, 4	1/8"	22,000	Plastic Case	34685A68	00000000

Stud-Driven Rectangle Hole Punches for Power/Control Connectors

Create holes for installing heavy duty industrial connectors. Also known as chassis and panel punches, they cut through sheet metal and have an automatic centering design for accurate alignment. When the die and punch are pressed together, four centering mandrels in the die mark where to drill holes for the connector's assembly. Drill pilot holes slightly larger than the size of the stud. These punches can only be used with a hydraulic driver and do not require a stud adapter.

			For Hole
	For No. of Poles	For Securing Method	Lg.	Wd.	For Max. Steel Thk.	Material	Includes		Each
For Aluminum, Brass, Copper, Steel







				Rectangle

				6	Pin	2.05"	1.42"	1/16"	Steel	Punch, Die, Stud, Nut, Carrying Case	3449A95	0000000


				10	Pin	2.56"	1.42"	1/16"	Steel	Punch, Die, Stud, Nut, Carrying Case	3449A96	000000
				16	Pin	3.39"	1.42"	1/16"	Steel	Punch, Die, Stud, Nut, Carrying Case	3449A97	000000
				24	Pin	4.41"	1.42"	1/16"	Steel	Punch, Die, Stud, Nut, Carrying Case	3449A98	00000000

Hole Punch Drivers

Punching Force, lbf	Head Rotation Angle	Includes		Each
16,000	—	2 Studs, Hydraulic Oil	3484A25	0000000
16,000	180°	2 Studs, Hydraulic Oil	3490A31	000000
22,000	—	2 Studs, 3-ft. Hose, Hydraulic Oil	3448A5	000000

Stud-Driven Round Hole Punches

Create holes in metal, plastic, and fiberglass by using a wrench or driver to draw the punch onto the included stud. Drill pilot holes slightly larger than the size of the stud. These punches are also known as knockout and chassis punches.

	Punches									Replacement Studs		Replacement Dies		Replacement Punches
				Stud
	For Conduit Trade Size	For Hole Dia.	For Max. Steel Thk.	Dia.	Lg.	Material	Includes		Each		Each		Each		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Steel







				Round

				—	1/2"	1/16"	1/4"	1 3/8"	Steel	Punch, Die, Stud	34685A27	000000	3449A21	000000	34685A138	000000	34685A137	000000


				—	19/32"	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A471	00000	34685A64	00000	34685A99	00000	34685A3	00000
				—	41/64"	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A472	00000	34685A64	00000	34685A111	00000	34685A4	00000
				—	47/64"	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A473	00000	34685A64	00000	34685A112	00000	34685A5	00000
				—	3/4"	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A69	00000	34685A64	00000	34685A113	00000	34685A6	00000
				—	51/64"	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A475	00000	34685A64	00000	34685A114	00000	34685A7	00000
				—	15/16"	1/16"	3/8"	1 15/16"	Steel	Punch, Die, Stud	34685A711	00000	34685A64	00000	34685A215	00000	34685A811	00000
				—	1"	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A476	00000	34685A64	00000	34685A116	00000	34685A9	00000
				—	1 1/16"	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A72	00000	34685A64	00000	34685A117	00000	34685A58	00000
				—	1 15/64"	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	3449A137	00000	34685A64	00000	34685A118	00000	34685A59	00000
				—	1 1/4"	1/16"	3/4"	2 3/16"	Steel	Punch, Die, Stud	34685A731	000000	34685A64	00000	34685A219	00000	34685A661	00000


				—	1 9/32"	1/8"	3/4"	2 1/8"	Steel	Punch, Die, Stud	34685A477	000000	34685A25	00000	34685A121	00000	34685A76	00000
				—	1 1/2"	1/8"	3/4"	2 1/8"	Steel	Punch, Die, Stud	34685A74	000000	34685A25	00000	34685A122	00000	34685A83	00000
				—	1 3/4"	1/8"	3/4"	2 1/8"	Steel	Punch, Die, Stud	34685A77	000000	34685A25	00000	34685A124	00000	34685A86	00000
				—	2"	1/8"	3/4"	2 15/16"	Steel	Punch, Die, Stud	34685A39	000000	34685A26	00000	34685A126	00000	34685A89	00000
				—	2 33/64"	1/8"	3/4"	2 15/16"	Steel	Punch, Die, Stud	34685A48	000000	34685A26	00000	34685A129	000000	34685A93	000000
				—	2 5/8"	1/8"	3/4"	4 3/4"	Steel	Punch, Die, Stud	3449A691	000000	3447A919	00000	34685A139	000000	34685A231	000000
				—	2 3/4"	1/8"	3/4"	4 3/4"	Steel	Punch, Die, Stud	3449A224	000000	3447A919	00000	34685A232	000000	34685A959	000000
				—	3"	1/8"	3/4"	4 3/4"	Steel	Punch, Die, Stud	3449A225	000000	3447A919	00000	34685A233	000000	34685A961	000000
				—	3 3/4"	1/8"	3/4"	4 3/4"	Steel	Punch, Die, Stud	34685A821	000000	3447A919	00000	34685A234	000000	34685A971	000000
				1/2	7/8"	1/8"	7/16"	3"	Steel	Punch, Die, Stud	34685A322	00000	34685A803	00000	34685A17	00000	34685A11	00000


				3/4	1 7/64"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A163	00000	34685A352	00000	34685A266	00000	34685A106	00000
				1	1 23/64"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A187	000000	34685A352	00000	34685A288	00000	34685A146	00000
				1 1/4	1 45/64"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A195	000000	———	0	34685A298	00000	34685A173	00000
				1 1/2	1 61/64"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A107	000000	34685A352	00000	34685A302	00000	34685A178	00000
				2	2 27/64"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A941	000000	———	0	34685A326	00000	34685A243	00000
				2 1/2	2 59/64"	1/8"	1 1/8"	8 3/8"	Steel	Punch, Die, Stud	3447A141	000000	3447A96	000000	34685A347	00000	34685A293	000000
				3	3 17/32"	1/8"	1 1/8"	8 3/8"	Steel	Punch, Die, Stud	3447A394	000000	3447A96	000000	34685A457	000000	34685A339	000000
				3 1/2	4 1/64"	1/8"	1 1/8"	8 3/8"	Steel	Punch, Die, Stud, Bushing, Drive Nut	3449A182	000000	3447A96	000000	34685A464	000000	34685A355	000000
				4	4 35/64"	1/8"	1 1/8"	8 3/8"	Steel	Punch, Die, Stud, Bushing, Drive Nut	3447A428	000000	3447A96	000000	34685A741	000000	34685A676	000000

Hole Punch Drivers

Punching Force, lbf	Head Rotation Angle	Includes		Each
16,000	—	2 Studs, Hydraulic Oil	3484A25	0000000
16,000	180°	2 Studs, Hydraulic Oil	3490A31	000000
22,000	—	2 Studs, 3-ft. Hose, Hydraulic Oil	3448A5	000000

Metric Stud-Driven Hole Punch Sets for Conduit

Create holes in metal, plastic, and fiberglass by using a ratchet wrench or hydraulic driver to draw the punch onto the included stud. Drill pilot holes slightly larger than the size of the stud. These are also known as knockout and chassis punches. The included step drill bit has cutting steps with progressively larger diameters for drilling a range of hole sizes up to _3/8" in diameter in thin materials.

	For Max. Steel Thk.	Material	Container Type		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Steel



	5 Punches, 5 Dies, 2 Studs, 3/8" Step Drill Bit, Ratchet Wrench	1/16"	Steel	Plastic Case	34685A136	0000000

Hole Punch Drivers

Punching Force, lbf	Head Rotation Angle	Includes		Each
16,000	—	2 Studs, Hydraulic Oil	3484A25	0000000
16,000	180°	2 Studs, Hydraulic Oil	3490A31	000000
22,000	—	2 Studs, 3-ft. Hose, Hydraulic Oil	3448A5	000000

Stud-Driven Hole Punch Sets for Pipe and Conduit

	For Pipe Size	For Conduit Trade Size	For Max. Steel Thk.	Material	Container Type		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Stainless Steel, Steel



	2 Punches, 2 Dies, Stud	1 1/2, 2	1 1/2, 2	1/8"	Steel	Plastic Case	34685A321	0000000


	4 Punches, 4 Dies, 2 Studs	1/2, 3/4, 1, 1 1/4	1/2, 3/4, 1, 1 1/4	1/8"	Steel	Plastic Case	34685A311	000000
	6 Punches, 6 Dies, 2 Studs, Ratchet Wrench	1/2, 3/4, 1, 1 1/4, 1 1/2, 2	1/2, 3/4, 1, 1 1/4, 1 1/2, 2	1/8"	Steel	Plastic Case	34685A511	000000

Hole Punch Drivers

Punching Force, lbf	Head Rotation Angle	Includes		Each
16,000	—	2 Studs, Hydraulic Oil	3484A25	0000000
16,000	180°	2 Studs, Hydraulic Oil	3490A31	000000
22,000	—	2 Studs, 3-ft. Hose, Hydraulic Oil	3448A5	000000

Metric Stud-Driven Round Hole Punches for Conduit

	Punches								Replacement Studs		Replacement Dies		Replacement Punches
			Stud
	For Hole Dia., mm	For Max. Steel Thk.	Dia.	Lg.	Material	Includes		Each		Each		Each		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Steel







				Round

				12.5	1/16"	1/4"	1 3/8"	Steel	Punch, Die, Stud	34685A481	000000	3449A21	000000	34685A98	000000	34685A2	000000


				16.2	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A29	00000	34685A64	00000	34685A111	00000	34685A4	00000
				20.4	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A474	00000	34685A64	00000	34685A114	00000	34685A7	00000
				25.4	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A35	00000	34685A64	00000	34685A116	00000	34685A9	00000
				32.5	1/8"	3/4"	2 1/8"	Steel	Punch, Die, Stud	34685A37	000000	34685A25	00000	34685A121	00000	34685A76	00000
				40.5	1/8"	3/4"	2 1/8"	Steel	Punch, Die, Stud	34685A412	000000	34685A25	00000	———	0	———	0

Hole Punch Drivers

Punching Force, lbf	Head Rotation Angle	Includes		Each
16,000	—	2 Studs, Hydraulic Oil	3484A25	0000000
16,000	180°	2 Studs, Hydraulic Oil	3490A31	000000
22,000	—	2 Studs, 3-ft. Hose, Hydraulic Oil	3448A5	000000

Stud-Driven Rectangle Hole Punches

These punches make openings for a variety of panel switches and connectors. Also known as chassis and panel punches, they cut through sheet metal and have an automatic centering design for accurate alignment. Drill pilot holes slightly larger than the size of the stud. All punches can be used with a manual wrench or hydraulic driver, but require a stud adapter (sold separately) when used with a hydraulic driver.

	Punches							Stud Adapters
	For Hole
	Lg.	Wd.	For Max. Steel Thk.	Material	Includes		Each		Each
For Aluminum, Brass, Copper, Steel







				Rectangle

				0.748"	0.67"	1/16"	Steel	Punch, Die, Stud, Nut	3449A451	0000000	3449A175	000000


				1.016"	0.858"	1/16"	Steel	Punch, Die, Stud, Nut	3449A871	000000	3449A176	00000
				1.181"	0.866"	1/16"	Steel	Punch, Die, Stud, Nut	3449A881	000000	3449A176	00000
				1.38"	1.25"	1/16"	Steel	Punch, Die, Stud, Nut	3449A911	000000	3449A176	00000

Hole Punch Drivers

Punching Force, lbf	Head Rotation Angle	Includes		Each
16,000	—	2 Studs, Hydraulic Oil	3484A25	0000000
16,000	180°	2 Studs, Hydraulic Oil	3490A31	000000
22,000	—	2 Studs, 3-ft. Hose, Hydraulic Oil	3448A5	000000

European Standard Stud-Driven Round Hole Punches for Conduit

	Punches									Replacement Studs		Replacement Dies		Replacement Punches
				Stud
	For Conduit Thread Size	For Hole Dia., mm	For Max. Steel Thk.	Dia.	Lg.	Material	Includes		Each		Each		Each		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Steel







				Round

				PG-7	12.5	1/16"	1/4"	1 3/8"	Steel	Punch, Die, Stud	34685A411	000000	3449A21	000000	34685A98	000000	34685A2	000000


				PG-9	15.2	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A28	00000	34685A64	00000	34685A99	00000	34685A3	00000
				PG-11	18.6	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A33	00000	34685A64	00000	34685A112	00000	34685A5	00000
				PG-13.5	20.4	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A34	00000	34685A64	00000	34685A114	00000	34685A7	00000
				PG-16	22.5	1/8"	7/16"	3"	Steel	Punch, Die, Stud	34685A218	00000	34685A803	00000	34685A17	00000	34685A11	00000
				PG-21	28.3	1/16"	3/8"	1 5/8"	Steel	Punch, Die, Stud	34685A36	00000	34685A64	00000	———	0	———	0

Hole Punch Drivers

Punching Force, lbf	Head Rotation Angle	Includes		Each
16,000	—	2 Studs, Hydraulic Oil	3484A25	0000000
16,000	180°	2 Studs, Hydraulic Oil	3490A31	000000
22,000	—	2 Studs, 3-ft. Hose, Hydraulic Oil	3448A5	000000

Stud-Driven Keyway Hole Punches


Round with Keyways	Round with Keyways

Also known as chassis punches, these tools cut through sheet metal to make holes for installing panel cutout switches. They have a centering design for accurate alignment. Drill pilot holes slightly larger than the size of the stud. All punches can be used with a hydraulic driver.

	For Keyway Notch
	Lg.	Wd.	For Hole Dia.	For Panel Cutout Dia., mm	For Max. Steel Thk.	Material	Includes		Each
For Aluminum, Brass, Copper, Stainless Steel, Steel







				Round with Keyways

				0.06"	0.13"	0.88"	22	1/16"	Steel	Punch, Die, Stud, Nut	3449A128	0000000

Hole Punch Drivers

Punching Force, lbf	Includes		Each
16,000	2 Studs, Hydraulic Oil	3484A25	0000000

Stud-Driven Round Hole Punches for Pipe and Conduit

	Punches										Replacement Studs		Replacement Dies		Replacement Punches
					Stud
	For Conduit Trade Size	For Pipe Size	For Hole Dia.	For Max. Steel Thk.	Dia.	Lg.	Material	Includes		Each		Each		Each		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Steel







				Round

				1/2	1/2	7/8"	1/8"	7/16"	3"	Steel	Punch, Die, Stud	34685A265	000000	34685A803	000000	34685A17	000000	34685A11	000000


				3/4	3/4	1 7/64"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A186	00000	34685A352	00000	34685A266	00000	34685A106	00000
				1	1	1 23/64"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A188	000000	34685A352	00000	34685A288	00000	34685A146	00000
				1 1/4	1 1/4	1 11/16"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A221	000000	———	0	34685A298	00000	34685A173	00000
				1 1/2	1 1/2	1 15/16"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A154	000000	34685A352	00000	34685A302	00000	34685A178	00000
				2	2	2 3/8"	1/8"	3/4"	3 3/8"	Steel	Punch, Die, Stud	34685A951	000000	———	0	34685A326	00000	34685A243	00000
				2 1/2	2 1/2	2 7/8"	1/8"	1 1/8"	8 3/8"	Steel	Punch, Die, Stud	3447A276	000000	3447A96	000000	34685A347	00000	34685A293	000000
				3	3	3 1/2"	1/8"	1 1/8"	8 3/8"	Steel	Punch, Die, Stud	3447A219	000000	3447A96	000000	34685A457	000000	34685A339	000000
				4	4	4 1/2"	1/8"	1 1/8"	8 3/8"	Steel	Punch, Die, Stud, Bushing, Drive Nut	3447A8	000000	3447A96	000000	34685A741	000000	34685A676	000000

Hole Punch Drivers

Punching Force, lbf	Head Rotation Angle	Includes		Each
16,000	—	2 Studs, Hydraulic Oil	3484A25	0000000
16,000	180°	2 Studs, Hydraulic Oil	3490A31	000000
22,000	—	2 Studs, 3-ft. Hose, Hydraulic Oil	3448A5	000000

European Standard Stud-Driven Hole Punch Sets for Conduit

	For Conduit Thread Size	For Max. Steel Thk.	Material	Container Type		Each
For Aluminum, Brass, Copper, Fiberglass, Plastic, Steel



	6 Punches, 6 Dies, Stud, 3/8" Step Drill Bit, Ratchet Wrench	PG-9, PG-11, PG-13.5, PG-16, PG-21, M30.5	1/16"	Steel	Plastic Case	34685A135	0000000

Hole Punch Drivers