Iron Structural Framing | McMaster-Carr

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Slip-On Framing Component

Add-On Through-Hole Connector

Replacement Set Screws

Stop Collar

Through-Hole Connector

Through-Hole Rail Support

Pipe Size

Rail OD

Material

Slip-On Framing Component Type

45° Wye

90° Elbow

Adjustable-Angle Cross

Adjustable-Angle Elbow

Adjustable-Angle Flange

Four-Way Adjustable-Angle Elbow

Flange Shape

Length

REACH

RoHS

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

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

Number of Mounting Holes

Number of Through Holes

Flange Diameter

Wall Thickness

Overall Height

Mounting Hole Diameter

Flange Width

Flange Length

Height

Drive Size

Slip-On Fitting Type

Cap Diameter

Mounting Slot Width

154 Products

Galvanized Iron and Steel Slip-On Framing and Fittings

To provide corrosion resistance in wet environments, this framing is galvanized. Slip the fittings over rails to construct custom railings, guard rails, storage racks, and shelving. Tighten the included set screws for a secure hold.

Galvanized iron fittings are malleable iron.

Rails

Rail OD	Pipe Size	Wall Thick.	Material	Schedule		2 ft.	3 ft.	4 ft.	5 ft.	6 ft.	7 ft.	8 ft.	9 ft.	10 ft.
1"	3/4	0.113"	Galvanized Steel	40	4936T101	000000	000000	000000	000000	000000	000000	000000	000000	000000
1 3/8"	1	0.133"	Galvanized Steel	40	4936T102	00000	00000	00000	00000	00000	00000	00000	00000	00000
1 5/8"	1 1/4	0.14"	Galvanized Steel	40	4936T103	00000	00000	00000	00000	00000	00000	00000	000000	000000
1 7/8"	1 1/2	0.145"	Galvanized Steel	40	4936T104	00000	00000	00000	00000	00000	00000	000000	000000	000000
2 3/8"	2	0.154"	Galvanized Steel	40	4936T105	00000	00000	00000	000000	000000	000000	000000	000000	000000

Connectors

90° Elbow

Adjustable-Angle Elbow

Straight

Tee

Three-Way 90° Elbow

Adjustable-angle fittings can be positioned at any angle. Tighten the set screw to secure.

90° Elbow
For Rail OD	For Pipe Size	Lg.	Material	Includes		Each
1"	3/4	__	Galvanized Iron	Set Screws	4936T178	000000
1 3/8"	1	__	Galvanized Iron	Set Screws	4936T17	00000
1 5/8"	1 1/4	__	Galvanized Iron	Set Screws	4936T18	00000
1 7/8"	1 1/2	__	Galvanized Iron	Set Screws	4936T19	00000
2 3/8"	2	__	Galvanized Iron	Set Screws	4936T76	00000
Adjustable-Angle Elbow
1 7/8"	1 1/2	__	Galvanized Iron	Set Screws	4936T921	00000
Straight
1"	3/4	3"	Galvanized Iron	Set Screws	4936T193	00000
1 3/8"	1	3 1/2"	Galvanized Iron	Set Screws	4936T14	00000
1 5/8"	1 1/4	4"	Galvanized Iron	Set Screws	4936T15	00000
1 7/8"	1 1/2	4"	Galvanized Iron	Set Screws	4936T16	00000
2 3/8"	2	4 7/8"	Galvanized Iron	Set Screws	4936T75	00000
Tee
1"	3/4	__	Galvanized Iron	Set Screws	4936T172	00000
1 3/8"	1	__	Galvanized Iron	Set Screws	4936T34	00000
1 5/8"	1 1/4	__	Galvanized Iron	Set Screws	4936T35	00000
1 7/8"	1 1/2	__	Galvanized Iron	Set Screws	4936T36	00000
2 3/8"	2	__	Galvanized Iron	Set Screws	4936T84	00000
Three-Way 90° Elbow
1"	3/4	__	Galvanized Iron	Set Screws	4936T179	00000
1 3/8"	1	__	Galvanized Iron	Set Screws	4936T27	00000
1 5/8"	1 1/4	__	Galvanized Iron	Set Screws	4936T28	00000
1 7/8"	1 1/2	__	Galvanized Iron	Set Screws	4936T29	00000
2 3/8"	2	__	Galvanized Iron	Set Screws	4936T202	00000

Through-Hole Connectors

Four-Way 90° Elbow

Four-Way Adjustable-Angle Elbow

Tee

Swivel Tee

Cross

Adjustable-Angle Cross

Five-Way Cross

Six-Way Cross

Crossover

Three-Way Crossover

45° Wye

Adjustable-Angle Wye

Through-hole fittings allow rails to run all the way through.

Adjustable-angle fittings can be positioned at any angle. Tighten the set screw to secure.

Four-Way 90° Elbow
For Rail OD	For Pipe Size	No. of Through Holes	Material	Includes		Each
1"	3/4	1	Galvanized Iron	Set Screws	4936T174	000000
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T31	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T32	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T33	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	4936T79	00000
Four-Way Adjustable-Angle Elbow
1"	3/4	1	Galvanized Iron	Set Screws	4936T176	00000
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T41	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T42	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T435	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	4936T207	00000
Tee
1"	3/4	1	Galvanized Iron	Set Screws	4936T171	00000
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T11	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T12	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T13	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	4936T74	00000
Swivel Tee
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T236	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T237	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T238	00000
Cross
1"	3/4	1	Galvanized Iron	Set Screws	4936T181	00000
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T37	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T38	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T39	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	4936T85	00000
Adjustable-Angle Cross
1"	3/4	1	Galvanized Iron	Set Screws	4936T183	00000
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T57	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T58	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T59	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	4936T119	000000
Five-Way Cross
1"	3/4	1	Galvanized Iron	Set Screws	4936T177	00000
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T94	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T95	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T96	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	4936T97	00000
Six-Way Cross
1"	3/4	1	Galvanized Iron	Set Screws	4936T219	00000
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T221	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T225	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T226	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	4936T227	000000
Crossover
1"	3/4	2	Galvanized Iron	Set Screws	4936T189	00000
1 3/8"	1	2	Galvanized Iron	Set Screws	4936T47	00000
1 5/8"	1 1/4	2	Galvanized Iron	Set Screws	4936T48	00000
1 7/8"	1 1/2	2	Galvanized Iron	Set Screws	4936T49	00000
2 3/8"	2	2	Galvanized Iron	Set Screws	4936T89	00000
Three-Way Crossover
1 5/8"	1 1/4	2	Galvanized Iron	Set Screws	4936T149	00000
45° Wye
1"	3/4	1	Galvanized Iron	Set Screws	4936T312	00000
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T314	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T316	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T318	00000
Adjustable-Angle Wye
1"	3/4	1	Galvanized Iron	Set Screws	4936T173	00000
1 3/8"	1	1	Galvanized Iron	Set Screws	4936T54	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T55	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T56	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	4936T99	00000

Add-On Through-Hole Connectors

Hinged Crossover

Wraparound Crossover

Hinged Tee

Wraparound Tee

Add-on through-hole fittings can be added to existing structures without disassembling.

					Hinged		Wraparound
For Rail OD	For Pipe Size	No. of Through Holes	Material	Includes		Each		Each
Crossover
1"	3/4	2	Galvanized Iron	Set Screws	______	00	4936T191	000000
1 3/8"	1	2	Galvanized Iron	Set Screws	______	00	4936T24	00000
1 5/8"	1 1/4	2	Galvanized Iron	Set Screws	4936T216	000000	4936T25	00000
1 7/8"	1 1/2	2	Galvanized Iron	Set Screws	4936T217	00000	4936T26	00000
2 3/8"	2	2	Galvanized Iron	Set Screws	______	00	4936T78	00000
Tee
1"	3/4	1	Galvanized Iron	Set Screws	______	00	4936T175	00000
1 3/8"	1	1	Galvanized Iron	Set Screws	______	00	4936T21	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	4936T214	00000	4936T22	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	4936T215	00000	4936T23	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	______	00	4936T77	00000

Through-Hole Reducers

Tee

Crossover

Through-hole fittings allow rails to run all the way through.

Reducers allow transitions from one rail size to another.

For Rail OD		For Pipe Size
(A)	(B)	(A)	(B)	No. of Through Holes	Material	Includes		Each
Tee
1 3/8"	1"	1	3/4	1	Galvanized Iron	Set Screws	4936T721	000000
1 5/8"	1 3/8"	1 1/4	1	1	Galvanized Iron	Set Screws	4936T727	00000
1 7/8"	1 5/8"	1 1/2	1 1/4	1	Galvanized Iron	Set Screws	4936T734	00000
2 3/8"	1 7/8"	2	1 1/2	1	Galvanized Iron	Set Screws	4936T738	00000
Crossover
1 3/8"	1"	1	3/4	2	Galvanized Iron	Set Screws	4936T863	00000
1 5/8"	1 3/8"	1 1/4	1	2	Galvanized Iron	Set Screws	4936T869	00000
1 7/8"	1 5/8"	1 1/2	1 1/4	2	Galvanized Iron	Set Screws	4936T878	00000
2 3/8"	1 7/8"	2	1 1/2	2	Galvanized Iron	Set Screws	4936T882	00000

Stop Collars

Stop collars keep objects from sliding on the rail.

Straight
For Rail OD	For Pipe Size	Material	Includes		Each
1"	3/4	Galvanized Iron	Set Screws	4936T195	000000
1 3/8"	1	Galvanized Iron	Set Screws	4936T134	00000
1 5/8"	1 1/4	Galvanized Iron	Set Screws	4936T135	00000
1 7/8"	1 1/2	Galvanized Iron	Set Screws	4936T136	00000

Panel Hangers

			Mounting Holes
For Rail OD	For Pipe Size	Material	No. of	Dia.	Mounting Fasteners Included	Includes		Each
Straight
1"	3/4	Galvanized Iron	1	3/8"	No	Set Screws	4936T184	000000
1 3/8"	1	Galvanized Iron	1	3/8"	No	Set Screws	4936T115	00000
1 5/8"	1 1/4	Galvanized Iron	1	3/8"	No	Set Screws	4936T116	00000
1 7/8"	1 1/2	Galvanized Iron	1	3/8"	No	Set Screws	4936T117	00000
2 3/8"	2	Galvanized Iron	1	3/8"	No	Set Screws	4936T118	00000

Caps

Caps protect and cover the ends of rails.

		Gray Plastic		Galvanized Iron
For Rail OD	For Pipe Size		Each		Each
1"	3/4	4936T196	00000	4936T197	00000
1 3/8"	1	4936T141	0000	4936T137	0000
1 5/8"	1 1/4	4936T142	0000	4936T138	00000
1 7/8"	1 1/2	4936T143	0000	4936T139	00000
2 3/8"	2	4936T144	0000	4936T411	00000

Replacement Set Screws

Drive
Style	Size	Material	Pkg. Qty.		Pkg.
Hex	1/4"	Galvanized Iron	10	4936T918	000000
Hex	5/16"	Galvanized Iron	10	4936T919	00000

Rail Ends

Rectangular Adjustable-Angle

L-Shaped

Oval

Round

Flush

Offset

Rail ends attach to rails on one end and have a flange on the other end to attach to floors, walls, and ceilings.

		Flange					Mounting Holes
For Rail OD	For Pipe Size	Lg.	Wd.	Dia.	Overall Ht.	Material	No. of	Dia.	Mounting Fasteners Included	Includes		Each
Rectangular Adjustable-Angle
1"	3/4	4 3/8"	2"	__	3 3/4"	Galvanized Iron	__	__	__	Set Screws	4936T188	000000
1 3/8"	1	4 3/8"	2"	__	3 3/4"	Galvanized Iron	__	__	__	Set Screws	4936T64	00000
1 5/8"	1 1/4	4 3/8"	2"	__	4 1/8"	Galvanized Iron	__	__	__	Set Screws	4936T65	00000
1 7/8"	1 1/2	4 3/8"	2"	__	4 3/8"	Galvanized Iron	__	__	__	Set Screws	4936T66	00000
2 3/8"	2	4 3/8"	2"	__	4 5/8"	Galvanized Iron	__	__	__	Set Screws	4936T121	00000
L-Shaped
1 3/8"	1	5 1/8"	3"	__	3 1/16"	Galvanized Iron	4	7/16"	No	Set Screws	4936T248	00000
1 5/8"	1 1/4	5 3/4"	3 1/8"	__	3 9/16"	Galvanized Iron	4	7/16"	No	Set Screws	4936T232	00000
1 7/8"	1 1/2	6 3/8"	3 5/8"	__	3 9/16"	Galvanized Iron	4	7/16"	No	Set Screws	4936T233	00000
Oval
1"	3/4	4 9/16"	2 1/2"	__	3 1/8"	Galvanized Iron	2	7/16"	No	Set Screws	4936T187	00000
1 3/8"	1	5 1/16"	3"	__	3 1/2"	Galvanized Iron	2	9/16"	No	Set Screws	4936T71	00000
1 5/8"	1 1/4	5 1/2"	3"	__	3 1/2"	Galvanized Iron	2	9/16"	No	Set Screws	4936T72	00000
1 7/8"	1 1/2	6 1/8"	3 3/8"	__	3 1/2"	Galvanized Iron	2	9/16"	No	Set Screws	4936T73	00000
2 3/8"	2	6 1/2"	4"	__	5"	Galvanized Iron	2	11/16"	No	Set Screws	4936T123	00000
Round
1"	3/4	__	__	3 1/8"	1 9/16"	Galvanized Iron	4	1/4"	No	Set Screws	4936T186	00000
1"	3/4	__	__	5 1/8"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	4936T228	00000
1 3/8"	1	__	__	3 9/16"	1 15/16"	Galvanized Iron	4	1/4"	No	Set Screws	4936T67	00000
1 3/8"	1	__	__	5 1/2"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	4936T416	00000
1 5/8"	1 1/4	__	__	4"	2"	Galvanized Iron	4	1/4"	No	Set Screws	4936T68	00000
1 5/8"	1 1/4	__	__	5 7/8"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	4936T418	00000
1 7/8"	1 1/2	__	__	4 1/2"	2 5/16"	Galvanized Iron	4	1/4"	No	Set Screws	4936T69	00000
1 7/8"	1 1/2	__	__	6 1/8"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	4936T419	00000
2 3/8"	2	__	__	5"	2 1/2"	Galvanized Iron	4	3/8"	No	Set Screws	4936T122	00000
Flush
1 3/8"	1	3 3/4"	4 1/8"	__	2"	Galvanized Iron	3	7/16"	No	Set Screws	4936T601	00000
1 5/8"	1 1/4	4 1/4"	4 1/4"	__	2 1/4"	Galvanized Iron	3	7/16"	No	Set Screws	4936T701	00000
1 7/8"	1 1/2	4 3/8"	4 5/8"	__	2 1/2"	Galvanized Iron	3	7/16"	No	Set Screws	4936T801	00000
Offset
1 3/8"	1	3 3/4"	1 3/4"	__	5 5/16"	Galvanized Iron	2	9/16"	No	Set Screws	4936T91	00000
1 5/8"	1 1/4	4 1/4"	2"	__	5 7/16"	Galvanized Iron	2	9/16"	No	Set Screws	4936T92	00000
1 7/8"	1 1/2	4 3/4"	2 1/4"	__	5 3/4"	Galvanized Iron	2	9/16"	No	Set Screws	4936T93	00000

Through-Hole Rail Supports

Through-hole fittings allow rails to run all the way through.

Rail supports secure long runs of railing.

		Flange				Mounting Holes
For Rail OD	For Pipe Size	Lg.	Wd.	Overall Ht.	Material	No. of	Dia.	Mounting Fasteners Included	Includes		Each
Offset
1"	3/4	3"	1 7/8"	2 7/8"	Galvanized Iron	2	5/16"	No	Set Screws	4936T194	000000
1 3/8"	1	3 7/16"	1 5/8"	3 1/4"	Galvanized Iron	2	5/16"	No	Set Screws	4936T131	00000
1 5/8"	1 1/4	4"	1 3/4"	3 5/8"	Galvanized Iron	2	5/16"	No	Set Screws	4936T132	00000
1 7/8"	1 1/2	4 1/4"	1 7/8"	4"	Galvanized Iron	2	5/16"	No	Set Screws	4936T133	00000