Home Fasteners Washers Flat Washers Socket Cap Washer Steel 5/16"
Fasteners
DV_ZoomOriginal_P_10870.jpg
DV_ZoomOriginal_P_10870.jpg

Socket Cap Washer, Steel, Zinc Finish, 0.351" ID, 0.475" OD, 0.036" Thickness, 5/16"
(Pack of 150)

Item#: P28772

Supertanium®

• Supports clamping loads of over 200,000 PSI (1,400 MPa) – up to 28% greater clamping force at the same torque
• Provides a hard, low-friction seating pad for socket head cap screws, allowing full tensioning
• Reduces scoring and damage to costly parts
• O.D. fits under head of socket head cap screws and into standard counterbored holes

Read More
Check Availability

Catalog page#: 11-57

Frequently Bought Together

DV_ZoomOriginal_P_30780.jpg

Open End Rivet Dome Head Aluminum 1/8"

Item#: 41612
DV_ZoomOriginal_P_532_WB.jpg

DIN 6921 Hex Flange Bolt Grade 8.8 M6-1 x 16mm

Item#: 59407
DV_ZoomOriginal_I_1405793.jpg

Blind Rivet Nut Insert Thin Wall M6-1

Item#: 1405793
DV_ZoomOriginal_P_32669.jpg

USS Flat Washer Low Carbon Steel 1/2"

Item#: FA505
DV_ZoomOriginal_I_1278722.jpg

DIN 125A Flat Washer Steel M10

Item#: 1278858
DV_ZoomOriginal_P_1954.jpg

Flat Washer 316 Stainless Steel 1/4"

Item#: 81874
DV_ZoomOriginal_I_KT13537.jpg

Front Bumper and Radiator Support Drive Rivet

Item#: KT13537
DV_ZoomOriginal_I_KT11580.jpg

Metric Indented Hex Head Bolt with 17mm Washer

Item#: KT11580
DV_ZoomOriginal_I_KT13984.jpg

Front Fender Push-Type Retainer Nylon 18mm

Item#: KT13984
DV_ZoomOriginal_P_31307.jpg

USS Flat Washer Thru-Hardened Steel 3/8"

Item#: 88447
DV_ZoomOriginal_P_468.jpg

Fender Washer Standard Steel 1"

Item#: 58823
DV_ZoomOriginal_P_31307.jpg

USS Flat Washer Thru-Hardened Steel 5/16"

Item#: 88446

Product Description

• Supports clamping loads of over 200,000 PSI (1,400 MPa) – up to 28% greater clamping force at the same torque
• Provides a hard, low-friction seating pad for socket head cap screws, allowing full tensioning
• Reduces scoring and damage to costly parts
• O.D. fits under head of socket head cap screws and into standard counterbored holes

Technical Specifications

Item#: P28772
Nominal Size 5/16 "
Finish Bright Zinc
Type Socket Cap Washer
I.D. 0.351 "
O.D. 0.475 "
Thickness 0.036 "
Material Carbon Steel
Quantity Per Package 150.0000
UNSPSC #: 31161807
TAA Compliant: Yes
Weight: 0.15 lb

Suggested Products

DV_ZoomOriginal_I_1969.jpg

Open End Rivet Dome Head Aluminum 5/32"

Item#: 1969
DV_ZoomOriginal_P_30780.jpg

Open End Rivet Dome Head Aluminum 3/16"

Item#: 484
DV_ZoomOriginal_I_489.jpg

Open End Rivet Dome Head Aluminum 3/16"

Item#: 489
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M8-1.25 x 20mm

Item#: 55603
DV_ZoomOriginal_P_2002.jpg

DIN 125A Flat Washer Grade 140 HV M6

Item#: 80261
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M8-1.25 x 30mm

Item#: 55604
DV_ZoomOriginal_I_80263.jpg

DIN 125A Flat Washer Grade 140 HV M8

Item#: 80263
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M8-1.25 x 16mm

Item#: 55602
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M10-1.25 x 30mm

Item#: 55608
DV_ZoomOriginal_P_30780.jpg

Open End Rivet Dome Head Aluminum 3/16"

Item#: 485
DV_ZoomOriginal_P_11056.jpg

Serrated Hex Flange Nut Alloy Steel M6-1

Item#: 28699
DV_ZoomOriginal_I_82353_WB.jpg

Open End Rivet Large Flange Head Aluminum 3/16"

Item#: 82353

Your Recently Viewed Items