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Fasteners & Custom Hardware

Alumina / Mullite

High Temperature Fabrication Services

77034-1370

77034-1370

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

Specifications

Products specifications

Item Name	Ta/W Screw Flat Hd. 4-40 x 1/2" lg
Screw Size	4-40
Screw Length	1/2
(D) Basic Screw Diameter (Max)	0.112
(A) Head Diameter (Min)	0.200
(A) Head Diameter (Max)	0.225
(H) Total Head Height (Min)	0.055
(H) Total Head Height (Max)	0.067
Material Purity	Tantalum 97½% / Tungsten 2½%
(J) Slot Width (Min)	0.031
(J) Slot Width (Max)	0.039
(T) Slot Depth (Min)	0.020
(T) Slot Depth (Max)	0.030
Screw Dimension Note	3/8 inch of length is threaded

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

77034-1370

77034-1370

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

Products specifications

Item Name	Ta/W Screw Flat Hd. 4-40 x 1/2" lg
Screw Size	4-40
Screw Length	1/2
(D) Basic Screw Diameter (Max)	0.112
(A) Head Diameter (Min)	0.200
(A) Head Diameter (Max)	0.225
(H) Total Head Height (Min)	0.055
(H) Total Head Height (Max)	0.067
Material Purity	Tantalum 97½% / Tungsten 2½%
(J) Slot Width (Min)	0.031
(J) Slot Width (Max)	0.039
(T) Slot Depth (Min)	0.020
(T) Slot Depth (Max)	0.030
Screw Dimension Note	3/8 inch of length is threaded