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T Nuts - Straight Barrel
3-Prong T-Nut image 3-Prong T-Nut image
3-Prong 4-Prong

T-Nuts - Straight Barrel
No. of
Prongs		 Thread
Size		 H G F A T Drill
Size
Barrel
Height
+/- 1/32		 Flange
Dia
+/- 1/32		 Barrel
Dia
+/- .015		 Prong
Height
+/- 1/32		 Material
Thknss
+/- .015
3 6-32 1/4 1/2 .188 1/8 .035 13/64
3 8-32 1/4 23/32 .208 7/32 .030 7/32
3 10-24 5/16 3/4 .243 7/32 .040 1/4
4 10-24 5/16 3/4 .243 7/32 .040 1/4
3 10-24 7/16 3/4 .243 5/16 .040 1/4
3 10-32 5/16 3/4 .243 7/32 .040 1/4
4 10-32 5/16 3/4 .243 7/32 .040 1/4
3 10-32 7/16 3/4 .243 5/16 .040 1/4
3 1/4-20 1/4 3/4 .305 3/16 .047 5/16
3 1/4-20 5/16 3/4 .305 7/32 .047 5/16
4 1/4-20 5/16 3/4 .305 7/32 .047 5/16
3 1/4-20 3/8 3/4 .305 1/4 .047 5/16
3 1/4-20 7/16 3/4 .305 5/16 .047 5/16
No. of
Prongs		 Thread
Size		 H G F A T Drill
Size
Barrel
Height
+/- 1/32		 Flange
Dia
+/- 1/32		 Barrel
Dia
+/- .015		 Prong
Height
+/- 1/32		 Material
Thknss
+/- .015
4 1/4-20 7/16 3/4 .305 1/4 .047 5/16
3 1/4-20 9/16 3/4 .305 7/32-3/8 .047 5/16
4 1/4-20 9/19 3/4 .305 1/4 .047 5/16
3 5/16-18 5/16 7/8 .360 9/32 .047 3/8
4 5/16-18 5/16 7/8 .360 9/32 .047 3/8
3 5/15-18 3/8 7/8 .390 1/4 .063 25/64
4 5/15-18 3/8 7/8 .390 1/4 .063 25/64
3 5/15-18 7/16 7/8 .390 1/4 .063 13/32
3 5/16-18 5/8 7/8 .390 5/16 .063 25/64
4 5/16-18 5/8 7/8 .375/
.390		 1/4-
5/16		 .060-
.063		 3/8,
25/64
3 3/8-16 5/16 1 .420 9/32 .063 27/64
3 3/8-16 7/16 1 .440 11/32 .063 29/64
4 3/8-16 7/16 1 .440 11/32 .063 29/64


T-Nuts - Straight Barrel Properties
Description An internally threaded barrel-shaped fastener integrally formed with a flat base, which has prong type projections extending perpendicular from the base aside the barrel.
Applications
& Advantages		 3-Prong: Used for fastening metal to products made of wood. The 3-prong style is used in harder materials to minimize splitting of the mating surface.
4-Prong: Four prong tee-nuts can be used in hard or soft woods.
Material C1004 - 10 low carbon steel
Plating See plating page for more information.

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Smith Fastener Company, A California Corporation - 3613 East Florence Avenue, Bell, California, 90201 - Phone: ( 323 ) 587-0382 and ( 800 ) 764-8488 - FAX: ( 323 ) 587-8712 - E-mail: sales@smithfast.com - Copyright © 2004 by Smith Fastener Company - Please report website problems to: WebMaster - Last updated: November 10th, 2004
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