Inch Size Flat Head Molybdenum Screws

Inch size molybdenum flat head refractory screws are produced for high temperature vacuum environments. The screw head is tapered, allowing the top of the head to be flush with the surface. Please see the sketch provided for futher description and specs. 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

33034-1360

Moly. Screw Flat Hd. 4-40 x 3/8" lg

4-40

3/8

0.112

0.200

0.225

0.055

0.067

Molybdenum 99.95% Pure

33034-1370

Moly. Screw Flat Hd. 4-40 x 1/2" lg

4-40

1/2

0.112

0.200

0.225

0.055

0.067

Molybdenum 99.95% Pure

33034-1380

Moly. Screw Flat Hd. 4-40 x 5/8" lg

4-40

5/8

0.112

0.200

0.225

0.055

0.067

Molybdenum 99.95% Pure

33034-1420

Moly. Screw Flat Hd. 5-40 x 1/8" lg

5-40

1/8

0.125

0.225

0.252

0.062

0.075

Molybdenum 99.95% Pure

33034-1430

Moly. Screw Flat Hd. 5-40 x 3/16" lg

5-40

3/16

0.125

0.225

0.252

0.062

0.075

Molybdenum 99.95% Pure

33034-1440

Moly. Screw Flat Hd. 5-40 x 1/4" lg

5-40

1/4

0.125

0.225

0.252

0.062

0.075

Molybdenum 99.95% Pure

33034-1450

Moly. Screw Flat Hd. 5-40 x 5/16" lg

5-40

5/16

0.125

0.225

0.252

0.062

0.075

Molybdenum 99.95% Pure

33034-1460

Moly. Screw Flat Hd. 5-40 x 3/8" lg

5-40

3/8

0.125

0.225

0.252

0.062

0.075

Molybdenum 99.95% Pure

33034-1470

Moly. Screw Flat Hd. 5-40 x 1/2" lg

5-40

1/2

0.125

0.225

0.252

0.062

0.075

Molybdenum 99.95% Pure

33034-1480

Moly. Screw Flat Hd. 5-40 x 5/8" lg

5-40

5/8

0.125

0.225

0.252

0.062

0.075

Molybdenum 99.95% Pure

33034-1520

Moly. Screw Flat Hd. 6-32 x 1/8" lg

6-32

1/8

0.138

0.249

0.279

0.069

0.083

Molybdenum 99.95% Pure

33034-1530

Moly. Screw Flat Hd. 6-32 x 3/16" lg

6-32

3/16

0.138

0.249

0.279

0.069

0.083

Molybdenum 99.95% Pure

33034-1540

Moly. Screw Flat Hd. 6-32 x 1/4" lg

6-32

1/4

0.138

0.249

0.279

0.069

0.083

Molybdenum 99.95% Pure

33034-1550

Moly. Screw Flat Hd. 6-32 x 5/16" lg

6-32

5/16

0.138

0.249

0.279

0.069

0.083

Molybdenum 99.95% Pure

33034-1560

Moly. Screw Flat Hd. 6-32 x 3/8" lg

6-32

3/8

0.138

0.249

0.279

0.069

0.083

Molybdenum 99.95% Pure

33034-1570

Moly. Screw Flat Hd. 6-32 x 1/2" lg

6-32

1/2

0.138

0.249

0.279

0.069

0.083

Molybdenum 99.95% Pure

33034-1580

Moly. Screw Flat Hd. 6-32 x 5/8" lg

6-32

5/8

0.138

0.249

0.279

0.069

0.083

Molybdenum 99.95% Pure

33034-1590

Moly. Screw Flat Hd. 6-32 x 3/4" lg

6-32

3/4

0.138

0.249

0.279

0.069

0.083

Molybdenum 99.95% Pure

33034-1600

Moly. Screw Flat Hd. 6-32 x 1" lg

6-32

1

0.138

0.249

0.279

0.069

0.083

Molybdenum 99.95% Pure

33034-1620

Moly. Screw Flat Hd. 8-32 x 1/8" lg

8-32

1/8

0.164

0.300

0.332

0.084

0.100

Molybdenum 99.95% Pure

33034-1630

Moly. Screw Flat Hd. 8-32 x 3/16" lg

8-32

3/16

0.164

0.300

0.332

0.084

0.100

Molybdenum 99.95% Pure

33034-1640

Moly. Screw Flat Hd. 8-32 x 1/4" lg

8-32

1/4

0.164

0.300

0.332

0.084

0.100

Molybdenum 99.95% Pure

33034-1650

Moly. Screw Flat Hd. 8-32 x 5/16" lg

8-32

5/16

0.164

0.300

0.332

0.084

0.100

Molybdenum 99.95% Pure

33034-1660

Moly. Screw Flat Hd. 8-32 x 3/8" lg

8-32

3/8

0.164

0.300

0.332

0.084

0.100

Molybdenum 99.95% Pure

33034-1670

Moly. Screw Flat Hd. 8-32 x 1/2" lg

8-32

1/2

0.164

0.300

0.332

0.084

0.100

Molybdenum 99.95% Pure