Metric Size Pan Head Tantalum Screws

Metric size tantalum pan head refractory screws are produced for high temperature vacuum environments. The screw head is large in diameter and short in height, allowing for a low clearance. 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

77039-4012

Ta/W Screw Pan Hd. Metric M4.0 x 12mm lg

M4

12

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4015

Ta/W Screw Pan Hd. Metric M4.0 x 15mm lg

M4

15

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4018

Ta/W Screw Pan Hd. Metric M4.0 x 18mm lg

M4

18

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4020

Ta/W Screw Pan Hd. Metric M4.0 x 20mm lg

M4

20

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4022

Ta/W Screw Pan Hd. Metric M4.0 x 22mm lg

M4

22

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4025

Ta/W Screw Pan Hd. Metric M4.0 x 25mm lg

M4

25

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4030

Ta/W Screw Pan Hd. Metric M4.0 x 30mm lg

M4

30

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4035

Ta/W Screw Pan Hd. Metric M4.0 x 35mm lg

M4

35

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4040

Ta/W Screw Pan Hd. Metric M4.0 x 40mm lg

M4

40

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-5004

Ta/W Screw Pan Hd. Metric M5.0 x 4mm lg

M5

4

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5005

Ta/W Screw Pan Hd. Metric M5.0 x 5mm lg

M5

5

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5006

Ta/W Screw Pan Hd. Metric M5.0 x 6mm lg

M5

6

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5008

Ta/W Screw Pan Hd. Metric M5.0 x 8mm lg

M5

8

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5010

Ta/W Screw Pan Hd. Metric M5.0 x 10mm lg

M5

10

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5012

Ta/W Screw Pan Hd. Metric M5.0 x 12mm lg

M5

12

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5015

Ta/W Screw Pan Hd. Metric M5.0 x 15mm lg

M5

15

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5018

Ta/W Screw Pan Hd. Metric M5.0 x 18mm lg

M5

18

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5020

Ta/W Screw Pan Hd. Metric M5.0 x 20mm lg

M5

20

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5022

Ta/W Screw Pan Hd. Metric M5.0 x 22mm lg

M5

22

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5025

Ta/W Screw Pan Hd. Metric M5.0 x 25mm lg

M5

25

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5030

Ta/W Screw Pan Hd. Metric M5.0 x 30mm lg

M5

30

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5035

Ta/W Screw Pan Hd. Metric M5.0 x 35mm lg

M5

35

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5040

Ta/W Screw Pan Hd. Metric M5.0 x 40mm lg

M5

40

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-5050

Ta/W Screw Pan Hd. Metric M5.0 x 50mm lg

M5

50

5.0

9.80

0.20

2.95

3.05

Tantalum 97½% / Tungsten 2½%

77039-6005

Ta/W Screw Pan Hd. Metric M6.0 x 5mm lg

M6

5

6.0

11.8

2.20

3.55

3.65

Tantalum 97½% / Tungsten 2½%