Accreditations
B.M.P. is currently ISO 9001:2000 registered.

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ISO 9001:2000

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.
SAE F435 Clipped Pattern
ASTM F436 Clipped Pattern Through Hardened Flat Washers
For Use with ASTM A325/A490 & Grades 5,8,9 Bolts
Bolt Size Outside Diameter Inside Diameter

Thickness

Min. Edge Distance Pieces Per Box Weight Per 1,000
- - - Min Max - - -
1/2 1-1/16 17/32

.097

.177

7/16

2,000

17

5/8 1-5/16 11/16 .122 .177

9/16

1,500

32

3/4 1-15/32 13/16 .122 .177

21/32

1,000 40
7/8 1-3/4 15/16 .136 .177 25/32 750 63
1" 2" 1-1/8 .136 .177 7/8 500 82
1-1/8 2-1/4 1-1/4 .136 .177 1" 400 98
1-1/4 2-1/2 1-3/8 .136 .177 1-3/32 300 137
1-3/8 2-3/4 1-1/2 .136 .177 1-7/32 300 160
1-1/2 3" 1-5/8 .136 .177 1-5/16 200 200
1-3/4 3-3/8 1-7/8 .178 .228 1-17/32 150 300
2" 3-3/4 2-1/8 .178 .228 1-3/4 100 360

Clipped edge "E" shall not be closer than 7/8 of the bolt diameter from the center of the washer
*All Items are sold by the carton only!
Items are stocked in Plain and Zinc Yellow Finish
Chemical and Physical Test Reports are available
Please Call For Availability