Inch Size Fillister Head Tantalum Screws

Inch size tantalum fillister head refractory screws are produced for high temperature vacuum environments. The screw head is small in diameter and tall in height, allowing for additional torque to be applied. Please see the charts tab for the refractory properties and temperature conversion.

"Can't find the exact size or shape you need? Please fill out our Custom Size Quote Form or call us at (650) 851-1859. We welcome custom product and fabrication projects.

For full screw dimensions, please select an individual item."

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Item #

Item Name

Screw Size

Screw Length

(D) Basic Screw Diameter (Max)

(A) Head Diameter (Min)

(A) Head Diameter (Max)

(H) Total Head Height (Min)

(H) Total Head Height (Max)

Material Purity

77032-1010

Ta/W Screw Fil. Hd. 0-80 x 1/16" lg

0-80

1/16

0.060

0.083

0.096

0.045

0.054

Tantalum 97½% / Tungsten 2½%

77032-1020

Ta/W Screw Fil. Hd. 0-80 x 1/8" lg

0-80

1/8

0.060

0.083

0.096

0.045

0.054

Tantalum 97½% / Tungsten 2½%

77032-1030

Ta/W Screw Fil. Hd. 0-80 x 3/16" lg

0-80

3/16

0.060

0.083

0.096

0.045

0.054

Tantalum 97½% / Tungsten 2½%

77032-1040

Ta/W Screw Fil. Hd. 0-80 x 1/4" lg

0-80

1/4

0.060

0.083

0.096

0.045

0.054

Tantalum 97½% / Tungsten 2½%

77032-1050

Ta/W Screw Fil. Hd. 0-80 x 5/16" lg

0-80

5/16

0.060

0.083

0.096

0.045

0.054

Tantalum 97½% / Tungsten 2½%

77032-1060

Ta/W Screw Fil. Hd. 0-80 x 3/8" lg

0-80

3/8

0.060

0.083

0.096

0.045

0.054

Tantalum 97½% / Tungsten 2½%

77032-1070

Ta/W Screw Fil. Hd. 0-80 x 1/2" lg

0-80

1/2

3/8 inch of length is threaded

0.060

0.083

0.096

0.045

0.054

77032-1110

Ta/W Screw Fil. Hd. 1-72 x 1/16" lg

1-72

1/16

0.073

0.103

0.118

0.057

0.066

Tantalum 97½% / Tungsten 2½%

77032-1120

Ta/W Screw Fil. Hd. 1-72 x 1/8" lg

1-72

1/8

0.073

0.103

0.118

0.057

0.066

Tantalum 97½% / Tungsten 2½%

77032-1130

Ta/W Screw Fil. Hd. 1-72 x 3/16" lg

1-72

3/16

0.073

0.103

0.118

0.057

0.066

Tantalum 97½% / Tungsten 2½%

77032-1140

Ta/W Screw Fil. Hd. 1-72 x 1/4" lg

1-72

1/4

0.073

0.103

0.118

0.057

0.066

Tantalum 97½% / Tungsten 2½%

77032-1150

Ta/W Screw Fil. Hd. 1-72 x 5/16" lg

1-72

5/16

0.073

0.103

0.118

0.057

0.066

Tantalum 97½% / Tungsten 2½%

77032-1160

Ta/W Screw Fil. Hd. 1-72 x 3/8" lg

1-72

3/8

0.073

0.103

0.118

0.057

0.066

Tantalum 97½% / Tungsten 2½%

77032-1170

Ta/W Screw Fil. Hd. 1-72 x 1/2" lg

1-72

1/2

3/8 inch of length is threaded

0.073

0.103

0.118

0.057

0.066

77032-1210

Ta/W Screw Fil. Hd. 2-56 x 1/16" lg

2-56

1/16

0.086

0.124

0.140

0.070

0.083

Tantalum 97½% / Tungsten 2½%

77032-1220

Ta/W Screw Fil. Hd. 2-56 x 1/8" lg

2-56

1/8

0.086

0.124

0.140

0.070

0.083

Tantalum 97½% / Tungsten 2½%

77032-1230

Ta/W Screw Fil. Hd. 2-56 x 3/16" lg

2-56

3/16

0.086

0.124

0.140

0.070

0.083

Tantalum 97½% / Tungsten 2½%

77032-1240

Ta/W Screw Fil. Hd. 2-56 x 1/4" lg

2-56

1/4

0.086

0.124

0.140

0.070

0.083

Tantalum 97½% / Tungsten 2½%

77032-1250

Ta/W Screw Fil. Hd. 2-56 x 5/16" lg

2-56

5/16

0.086

0.124

0.140

0.070

0.083

Tantalum 97½% / Tungsten 2½%

77032-1260

Ta/W Screw Fil. Hd. 2-56 x 3/8" lg

2-56

3/8

0.086

0.124

0.140

0.070

0.083

Tantalum 97½% / Tungsten 2½%

77032-1270

Ta/W Screw Fil. Hd. 2-56 x 1/2" lg

2-56

1/2

3/8 inch of length is threaded

0.086

0.124

0.140

0.070

0.083

77032-1320

Ta/W Screw Fil. Hd. 4-40 x 1/8" lg

4-40

1/8

0.112

0.166

0.183

0.094

0.107

Tantalum 97½% / Tungsten 2½%

77032-1330

Ta/W Screw Fil. Hd. 4-40 x 3/16" lg

4-40

3/16

0.112

0.166

0.183

0.094

0.107

Tantalum 97½% / Tungsten 2½%

77032-1340

Ta/W Screw Fil. Hd. 4-40 x 1/4" lg

4-40

1/4

0.112

0.166

0.183

0.094

0.107

Tantalum 97½% / Tungsten 2½%

77032-1350

Ta/W Screw Fil. Hd. 4-40 x 5/16" lg

4-40

5/16

0.112

0.166

0.183

0.094

0.107

Tantalum 97½% / Tungsten 2½%