Iron Framing | McMaster-Carr

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	System of Measurement System of Measurement

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	Material Material	Show

Iron

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	Slip-On Framing Component Slip-On Framing Component

	Rail End
	Through-Hole Connector
	Connector
	Through-Hole Rail Support
	Cap
	Panel Hanger
	Add-On Through-Hole Connector
	Through-Hole Reducer
	Stop Collar
	Replacement Set Screws

	Pipe Size Pipe Size

3/4

1 1/4

1 1/2

	Rail OD Rail OD

	Finish Finish

Black Oxide

Galvanized

Hot-Dipped Galvanized

	Slip-On Framing Component Shape Slip-On Framing Component Shape

45° Wye

90° Elbow

Adjustable-Angle Cross

Adjustable-Angle Elbow

Adjustable-Angle Flange

Four-Way Adjustable-
Angle Elbow

	Framing Type Framing Type

Slip On

	Specifications Met Specifications Met

ASTM A47

ASTM A247

	Flange Shape Flange Shape

	Number of Mounting Holes Number of Mounting Holes

	For Screw Size For Screw Size

	Mounting Hole Diameter Mounting Hole Diameter

	Number of Through Holes Number of Through Holes

	Overall Height Overall Height

	Washer Type Washer Type

	Leveling for I- Beams

	Flange Width Flange Width

	ID ID

	OD OD

	Flange Length Flange Length

	Shape Shape

	Round Tube

	Mounting Style Mounting Style

Offset

Flush

	Width Width

	Flange Diameter Flange Diameter

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186 Products

About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

About Washers

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.

For technical drawings and 3-D models, click on a part number.

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	Pipe Size	Lg.	Material	Includes		Each
1"	3/4	__	Galvanized Iron	Set Screws	00000000	000000
1 1/4"	1	__	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	__	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	__	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	__	Galvanized Iron	Set Screws	0000000	00000
Adjustable-Angle Elbow
1 7/8"	1 1/2	__	Galvanized Iron	Set Screws	00000000	00000
Straight
1"	3/4	3"	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	3 1/2"	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	4"	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	4"	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	4 7/8"	Galvanized Iron	Set Screws	0000000	00000
Tee
1"	3/4	__	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	__	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	__	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	__	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	__	Galvanized Iron	Set Screws	0000000	00000
Three-Way 90° Elbow
1"	3/4	__	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	__	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	__	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	__	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	__	Galvanized Iron	Set Screws	00000000	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 with Two Through Holes

Crossover with One Through Hole

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.

Crossover with one through hole allows you to join two pieces of rail.

Four-Way 90° Elbow
For Rail OD	Pipe Size	No. of Through Holes	Material	Includes		Each
1"	3/4	1	Galvanized Iron	Set Screws	00000000	000000
1 1/4"	1	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	0000000	00000
Four-Way Adjustable-Angle Elbow
1"	3/4	1	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	00000000	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	00000000	00000
Tee
1"	3/4	1	Galvanized Iron	Set Screws	00000000	0000
1 1/4"	1	1	Galvanized Iron	Set Screws	0000000	0000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	0000000	00000
Swivel Tee
1 1/4"	1	1	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	00000000	00000
Cross
1"	3/4	1	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	0000000	00000
Adjustable-Angle Cross
1"	3/4	1	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	00000000	00000
Five-Way Cross
1"	3/4	1	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	0000000	00000
Six-Way Cross
1"	3/4	1	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	1	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	00000000	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	00000000	00000
Crossover
1"	3/4	2	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	2	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	1 1/4	2	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	2	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	2	Galvanized Iron	Set Screws	0000000	00000
45° Wye
1"	3/4	1	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	1	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	00000000	00000
Adjustable-Angle Wye
1"	3/4	1	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	0000000	00000

Add-On Through-Hole Connectors

Wraparound Crossover

Hinged Crossover

Wraparound Tee

Hinged Tee

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

Wraparound
For Rail OD	Pipe Size	No. of Through Holes	Material	Includes		Each
Crossover
1"	3/4	2	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	2	Galvanized Iron	Set Screws	0000000	0000
1 5/8"	1 1/4	2	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	2	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	2	Galvanized Iron	Set Screws	0000000	00000
Tee
1"	3/4	1	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	1	Galvanized Iron	Set Screws	0000000	00000
Hinged
Crossover
1 5/8"	1 1/4	2	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1 1/2	2	Galvanized Iron	Set Screws	00000000	00000
Tee
1 5/8"	1 1/4	1	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1 1/2	1	Galvanized Iron	Set Screws	00000000	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		Pipe Size
(A)	(B)	(A)	(B)	No. of Through Holes	Material	Includes		Each
Tee
1 1/4"	1"	1	3/4	1	Galvanized Iron	Set Screws	00000000	000000
1 5/8"	1 1/4"	1 1/4	1	1	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1 5/8"	1 1/2	1 1/4	1	Galvanized Iron	Set Screws	00000000	00000
2 3/8"	1 7/8"	2	1 1/2	1	Galvanized Iron	Set Screws	00000000	00000
Crossover
1 1/4"	1"	1	3/4	2	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	1 1/4"	1 1/4	1	2	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1 5/8"	1 1/2	1 1/4	2	Galvanized Iron	Set Screws	00000000	00000
2 3/8"	1 7/8"	2	1 1/2	2	Galvanized Iron	Set Screws	00000000	00000

Stop Collars

Stop collars keep objects from sliding on the rail.

Straight
For Rail OD	Pipe Size	Material	Includes		Each
1"	3/4	Galvanized Iron	Set Screws	00000000	00000
1 1/4"	1	Galvanized Iron	Set Screws	00000000	0000
1 5/8"	1 1/4	Galvanized Iron	Set Screws	00000000	0000
1 7/8"	1 1/2	Galvanized Iron	Set Screws	00000000	0000

Panel Hangers

			Mounting Holes
For Rail OD	Pipe Size	Material	No. of	Dia.	Mounting Fasteners Included	Includes		Each
Straight
1"	3/4	Galvanized Iron	1	3/8"	No	Set Screws	00000000	00000
1 1/4"	1	Galvanized Iron	1	3/8"	No	Set Screws	00000000	0000
1 5/8"	1 1/4	Galvanized Iron	1	3/8"	No	Set Screws	00000000	00000
1 7/8"	1 1/2	Galvanized Iron	1	3/8"	No	Set Screws	00000000	00000
2 3/8"	2	Galvanized Iron	1	3/8"	No	Set Screws	00000000	00000

Caps

Caps protect and cover the ends of rails.

		Galvanized Iron
For Rail OD	Pipe Size		Each
1"	3/4	00000000	00000
1 1/4"	1	00000000	0000
1 5/8"	1 1/4	00000000	0000
1 7/8"	1 1/2	00000000	0000
2 3/8"	2	00000000	0000

Replacement Set Screws

Drive
Style	Size	Material	Pkg. Qty.		Pkg.
Hex	1/4"	Galvanized Iron	10	00000000	000000
Hex	5/16"	Galvanized Iron	10	00000000	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	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	00000000	000000
1 1/4"	1	4 3/8"	2"	__	3 3/4"	Galvanized Iron	__	__	__	Set Screws	0000000	00000
1 5/8"	1 1/4	4 3/8"	2"	__	4 1/8"	Galvanized Iron	__	__	__	Set Screws	0000000	00000
1 7/8"	1 1/2	4 3/8"	2"	__	4 3/8"	Galvanized Iron	__	__	__	Set Screws	0000000	00000
2 3/8"	2	4 3/8"	2"	__	4 5/8"	Galvanized Iron	__	__	__	Set Screws	00000000	00000
L-Shaped
1 1/4"	1	5 1/8"	3"	__	3 1/2"	Galvanized Iron	4	7/16"	No	Set Screws	00000000	00000
1 5/8"	1 1/4	5 3/4"	3 1/8"	__	3 5/8"	Galvanized Iron	4	7/16"	No	Set Screws	00000000	00000
1 7/8"	1 1/2	6 3/8"	3 5/8"	__	3 5/8"	Galvanized Iron	4	7/16"	No	Set Screws	00000000	00000
Oval
1"	3/4	4 5/8"	2 1/2"	__	3"	Galvanized Iron	2	7/16"	No	Set Screws	00000000	00000
1 1/4"	1	5 1/8"	3"	__	3 1/2"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
1 5/8"	1 1/4	5 1/2"	3"	__	3 1/2"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
1 7/8"	1 1/2	6 1/8"	3 3/8"	__	3 1/2"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
2 3/8"	2	6 1/2"	4"	__	5"	Galvanized Iron	2	11/16"	No	Set Screws	00000000	00000
Round
1"	3/4	__	__	3 1/8"	1 5/8"	Galvanized Iron	4	1/4"	No	Set Screws	00000000	0000
1"	3/4	__	__	5 1/8"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	00000000	00000
1 1/4"	1	__	__	3 5/8"	1 7/8"	Galvanized Iron	4	1/4"	No	Set Screws	0000000	00000
1 1/4"	1	__	__	5 1/2"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	00000000	00000
1 5/8"	1 1/4	__	__	4"	2"	Galvanized Iron	4	1/4"	No	Set Screws	0000000	00000
1 5/8"	1 1/4	__	__	5 7/8"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	00000000	00000
1 7/8"	1 1/2	__	__	4 1/2"	2 5/16"	Galvanized Iron	4	1/4"	No	Set Screws	0000000	00000
1 7/8"	1 1/2	__	__	6 1/8"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	00000000	00000
2 3/8"	2	__	__	5"	2 1/2"	Galvanized Iron	4	3/8"	No	Set Screws	00000000	00000
Flush
1 1/4"	1	3 3/4"	4 1/8"	__	2"	Galvanized Iron	3	7/16"	No	Set Screws	00000000	00000
1 5/8"	1 1/4	4 1/4"	4 1/4"	__	2 1/4"	Galvanized Iron	3	7/16"	No	Set Screws	00000000	00000
1 7/8"	1 1/2	4 3/8"	4 5/8"	__	2 1/2"	Galvanized Iron	3	7/16"	No	Set Screws	00000000	00000
Offset
1 1/4"	1	5 3/8"	1 3/4"	__	3 1/4"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
1 5/8"	1 1/4	5 1/2"	2"	__	3 3/4"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
1 7/8"	1 1/2	5 7/8"	2 1/4"	__	4"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	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	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	00000000	000000
1 1/4"	1	3 1/4"	1 3/4"	3 1/4"	Galvanized Iron	2	7/16"	No	Set Screws	00000000	00000
1 5/8"	1 1/4	4"	1 3/4"	3 5/8"	Galvanized Iron	2	7/16"	No	Set Screws	00000000	00000
1 7/8"	1 1/2	4 5/16"	1 7/8"	4"	Galvanized Iron	2	7/16"	No	Set Screws	00000000	00000

Easy-to-Machine Gray Cast Iron Tubes

Yield Strength: Not Rated
Hardness: Rockwell C20 (Hard)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Rockwell C50
Specifications Met: ASTM A247

Gray cast iron machines faster with less wear on cutting tools than most types of steel. It also absorbs vibration, so finished parts run quieter than those made of steel. It's often fabricated into gears, pulleys, rollers, and bushings.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.

				16" Lg.
OD	OD Tolerance	ID	ID Tolerance		Each
1" Wall Thick. (Oversized)
3 1/2"	0.087" to 0.163"	1 1/2"	-0.25" to 0"	0000000	0000000
4"	0.087" to 0.163"	2"	-0.25" to 0"	0000000	000000
4 1/2"	0.092" to 0.188"	2 1/2"	-0.25" to 0"	0000000	000000
5"	0.092" to 0.188"	3"	-0.25" to 0"	0000000	000000
5 1/2"	0.1" to 0.21"	3 1/2"	-0.25" to 0"	0000000	000000
6"	0.1" to 0.21"	4"	-0.25" to 0"	0000000	000000
6 1/2"	0.108" to 0.232"	4 1/2"	-0.25" to 0"	0000000	000000
8"	0.105" to 0.232"	6"	-0.25" to 0"	0000000	000000
9"	0.108" to 0.324"	7"	-0.25" to 0"	0000000	000000
1 1/2" Wall Thick. (Oversized)
6"	0.1" to 0.21"	3"	-0.25" to 0"	0000000	000000
7"	0.108" to 0.232"	4"	-0.25" to 0"	0000000	000000

Leveling Washers for I-Beams

Mounted on an I-Beam

Commonly called beveled washers, these are tapered to fit inside an I-beam's flange to provide a parallel bearing surface.

Black-oxide iron washers have a matte-black finish that prevents corrosion in dry environments.

Hot-dipped galvanized iron washers are corrosion resistant in wet environments.

For technical drawings and 3-D models, click on a part number.

			Thick.
For Screw Size	ID	Wd.	(A)	(B)	Hardness	Pkg. Qty.		Pkg.
Iron
1/4"	0.312"	0.688"	0.219"	0.078"	Rockwell B62	25	000000000	000000
5/16"	0.375"	1.000"	0.312"	0.141"	Rockwell B62	10	000000000	0000
3/8"	0.438"	1.250"	0.344"	0.125"	Rockwell B62	25	000000000	00000
1/2"	0.562"	1.250"	0.344"	0.125"	Rockwell B62	25	000000000	00000
5/8"	0.688"	1.500"	0.375"	0.125"	Rockwell B62	10	000000000	00000
3/4"	0.812"	1.500"	0.438"	0.188"	Rockwell B62	10	000000000	00000
7/8"	0.938"	2.000"	0.562"	0.219"	Rockwell B62	10	000000000	00000
1"	1.062"	2.000"	0.562"	0.219"	Rockwell B62	10	000000000	00000
1 1/8"	1.250"	2.250"	0.625"	0.250"	Rockwell B62	1	000000000	0000
1 1/4"	1.375"	2.250"	0.719"	0.312"	Rockwell B62	1	000000000	0000
1 1/2"	1.625"	3.000"	0.812"	0.312"	Rockwell C35	1	000000000	0000
Black-Oxide Iron
1/4"	0.312"	0.688"	0.219"	0.078"	Rockwell B62	10	000000000	0000
5/16"	0.375"	1.000"	0.313"	0.141"	Rockwell B62	10	000000000	0000
3/8"	0.438"	1.250"	0.344"	0.125"	Rockwell B62	10	000000000	0000
1/2"	0.562"	1.250"	0.344"	0.125"	Rockwell B62	10	000000000	0000
5/8"	0.688"	1.500"	0.375"	0.125"	Rockwell B62	5	000000000	0000
3/4"	0.812"	1.500"	0.438"	0.188"	Rockwell B62	5	000000000	0000
7/8"	0.938"	2.000"	0.562"	0.219"	Rockwell B62	1	000000000	0000
1"	1.062"	2.000"	0.562"	0.219"	Rockwell B62	1	000000000	0000
1 1/8"	1.188"	2.250"	0.625"	0.281"	Rockwell B62	1	000000000	0000
1 1/4"	1.344"	2.250"	0.719"	0.313"	Rockwell B62	1	000000000	0000
Hot-Dipped Galvanized Iron
1/4"	0.312"	0.688"	0.219"	0.078"	Rockwell B72	25	000000000	00000
5/16"	0.375"	1.000"	0.313"	0.141"	Rockwell B62	10	000000000	0000
3/8"	0.438"	1.250"	0.344"	0.125"	Rockwell B62	10	000000000	0000
1/2"	0.562"	1.250"	0.344"	0.125"	Rockwell B62	10	000000000	0000
5/8"	0.688"	1.500"	0.375"	0.125"	Rockwell B62	10	000000000	00000
3/4"	0.812"	1.500"	0.438"	0.188"	Rockwell B62	10	000000000	00000
7/8"	0.938"	2.000"	0.562"	0.219"	Rockwell B62	5	000000000	00000
1"	1.062"	2.000"	0.562"	0.219"	Rockwell B62	5	000000000	00000
1 1/8"	1.188"	2.250"	0.625"	0.281"	Rockwell B62	1	000000000	0000
1 1/4"	1.344"	2.250"	0.719"	0.313"	Rockwell B62	1	000000000	0000

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