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  3. Refractory Washers
  4. Alumina Washers
Thermo Shield
361 Grove Dr.
Portola Valley, CA 94028
Phone: 650-851-1859
Email: sales@thermoshield.us • Website: www.thermoshld.com

Alumina Washers

Alumina Washers

Alumina refractory washers are available in both inch and metric sizes. Washers help to distribute the load of a threaded fastener. All standard sizes are in stock.

Item #

Item Name

Outer Diameter

Inner Diameter

Thickness

Thickness Type

11048-1010

Alumina Washer Flat for # 0 screws

0.188

0.065

0.025

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11048-1020

Alumina Washer Flat for # 2 screws

0.250

0.094

0.032

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11048-1030

Alumina Washer Flat for # 4 screw

0.375

0.125

0.040

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11048-1040

Alumina Washer Flat for # 5 screw

0.406

0.141

0.040

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11048-1050

Alumina Washer Flat for # 6 screw

0.438

0.156

0.040

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11048-1060

Alumina Washer Flat for # 8 screw

0.500

0.188

0.040

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11048-1070

Alumina Washer Flat for # 10 screw

0.562

0.203

0.040

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11048-1080

Alumina Washer Flat for #1/4 screw

0.734

0.281

0.063

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11048-1090

Alumina Washer Flat for #5/16 screw

0.875

0.343

0.063

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1010

Alumina Washer Flat - Metric for M 1.0 screw

M1

3.2

1.1

0.40

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1020

Alumina Washer Flat - Metric for M 1.1 screw

M1.1

3.5

1.2

0.40

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1030

Alumina Washer Flat - Metric for M 1.2 screw

M1.2

3.8

1.3

0.40

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1040

Alumina Washer Flat - Metric for M 1.4 screw

M1.4

3.8

1.5

0.40

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1050

Alumina Washer Flat - Metric for M 1.6 Screw

M1.6

4

1.7

0.40

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1060

Alumina Washer Flat - Metric for M 2.0 screw

M2

5

2.2

0.40

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1070

Alumina Washer Flat - Metric for M 2.5 screw

M2.5

6

2.7

0.5

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1080

Alumina Washer Flat - Metric for M 3.0 screw

M3

7

3.2

0.5

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1090

Alumina Washer Flat - Metric for M 4.0 screw

M4

9

4.3

0.8

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1100

Alumina Washer Flat - Metric for M 5.0 screw

M5

10

5.3

1

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1110

Alumina Washer Flat - Metric for M 6.0 screw

M6

12

6.4

1.6

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1120

Alumina Washer Flat - Metric for M 8.0 screw

M8

16

8.4

1.6

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11049-1130

Alumina Washer Flat - Metric for M10.0 screw

M10

20

10.5

2

Standard

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11052-1010

Alumina Washer Shoulder for # 0 Screw

0

1/4

0.154

0.030

0.062

0.060

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11052-1020

Alumina Washer Shoulder for # 1 screw

1

1/4

0.154

0.030

0.062

0.073

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

11052-1030

Alumina Washer Shoulder for # 2 Screw

2

0.281

0.169

0.030

0.078

0.086

Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)

Alumina Washers

Inch Size Alumina Flat Washers

Inch Size Alumina Flat Washers

Metric Size Alumina Flat Washers

Metric Size Alumina Flat Washers

Inch Size Alumina Shoulder Washers

Inch Size Alumina Shoulder Washers

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