Accreditations
B.M.P. is currently ISO 9001:2015 registered.

Click below to view our certs.

ISO 9001:2015
Printable version Here


Raw Material Updates
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B.M.P. Workmanship
Click here to view our acceptable washer workmanship standards and measuring techniques
Machining
Binder Metal now offers full machining capabilities. Click here for more info.
USS Pattern
USS Low Carbon Steel Flat Washers
Type "A" Wide Pattern
Bolt Size Inside Diameter Outside Diameter Thickness Gauge Approx # in 100 LBS

3/16

1/4

9/16

18 (3/64)

36,200

1/4

5/16

3/4

16 (1/16)

14,900

5/16

3/8

7/8

14 (5/64)

9,000

3/8

7/16

1"

14 (5/64)

6,700

7/16

1/2

1-1/4

14 (5/64)

4,100

1/2

9/16

1-3/8

12 (7/64)

2,600

9/16

5/8

1-1/2

12 (7/64)

2,200

5/8

11/16

1-3/4

10 (9/64)

1,300

3/4

13/16

2"

9 (5/32)

910

7/8

15/16

2-1/4

8 (11/64)

650

1"

1-1/16

2-1/2

8 (11/64)

530

1-1/8

1-1/4

2-3/4

8 (11/64)

450

1-1/4

1-3/8

3"

8 (11/64)

380

1-3/8

1-1/2

3-1/4

7 (3/64)

300

1-1/2

1-5/8

3-1/2

7 (3/16)

260

1-5/8

1-3/4

3-3/4

7 (3/16)

230

1-3/4

1-7/8

4"

7 (3/16)

200

1-7/8

2"

4-1/4

7 (3/16)

176

2"

2-1/8

4-1/2

7 (3/16)

159

2-1/4

2-3/8

4-3/4

5 (7/32)

121

2-1/2

2-5/8

5"

4 (15/64)

104

2-3/4

2-7/8

5-1/4

3 (1/4)

91

3"

3-1/8

5-1/2

2 (17/64)

77


All Items are sold in CWT.
Items are stocked in Plain, Zinc & Galv. Finish
Please Call for Availability & Price Breaks