.25 Inch Diameter Fasteners

Components>Accessories>Fasteners>.25 Inch Diameter Fasteners

1/4″-14 x 1″ Driller
5/16″ Hex Washer Head w/ 5/8″ O.D. Washer
Fasteners sold in quantities of 250 only
This fastener is not required when installing 12″ Flat Designer™ Series panels.

Fastener #1

Head Size Type
5/16″ Driller
1/4″-14 x 1 1/4 ” Driller
5/16 ” Hex Washer Head
SuperLok Clip Fastener
Fasteners sold in quantities of 250 only

Fastener #1B

Head Size Type
5/16″ Driller
1 /4″-14 x 3/4″ Driller
5/16″ Hex Washer Head w/ 5/8″ O.D. Washer
Fasteners sold in quantities of 250 only

Fastener #1C

Head Size Type
5/16″ Driller
1/4″-14 x 1 1/4″ with #3 Drill Point
5/16″ Hex Washer Head w/EDPM Washer
Fasteners sold in quantities of 250 only

Fastener #1D

Head Size Type
5/16″ Driller
1/4″-14 x 1 1/4″ Long Life Driller
5/16″ Hex Washer Head w/Sealing Washer
Fasteners sold in quantities of 250 only

Fastener #1E

Head Size Type
5/16″ Long Life Driller
1/4″-14 x 1 1/2 ” Driller
5/16 ” Hex Washer Head w/ 5/8 ” O.D. Washer
Fasteners sold in quantities of 250 only

Fastener #1F

Head Size Type
5/16″ Driller
1/4″-14 x 7/8″ Long Life Lap TEK
5/16″ Hex Washer Head w/Sealing Washer
Fasteners sold in quantities of 250 only

Fastener #4

Head Size Type
5/16″ Long Life Lap
1/4″-14 x 7/8″ Lap TEK
5/16″ Hex Washer Head w/ 5/8″ O.D. Washer
Fasteners sold in quantities of 250 only

Fastener #4A

Head Size Type
5/16″ Lap
1/4″-14 x 1 1/4″ Shoulder TEK 2
5/16″ Hex Washer Head
Fasteners sold in quantities of 250 only
Head Size Type
5/16″ Shoulder
1/4″-14 x 1″ Type B
3/8″ Hex Washer Head w/ 5/8″ O.D. Washer
Fasteners sold in quantities of 250 only

Fastener #10

Head Size Type
3/8″ B
1/4″-14″ x 1″ Type AB 304 Stainless
5/16″ Hex Head w/ 5/8″ O.D. Washer
Fasteners sold in quantities of 250 only

Fastener #18D

Head Size Type Material
5/16″ AB 304 Stainless
14 x 1 1/2″ Long Life AB
5/16″ Hex Washer Head w/EDPM Washer
Fasteners sold in quantities of 250 only

Fastener #32

Head Size Type
5/16″ Long Life AB
14 x 7/8″ Lap Tek
5/16″ Hex Washer Head
Fasteners sold in quantities of 250 only

Fastener #38

Head Size Type
5/16″ Lap
1/4″-14 x 1 1/4″ Long Life Driller
5/16″ Hex Washer Head w/ 1 1/8″ O.D. Washer
Fasteners sold in quantities of 250 only

Fastener #43L

Head Size Type
5/16″ Long Life Driller
1/4″-14 x 7/8″ Long Life Lap TEK
5/16″ Hex Washer Head w/ 1 1/8″ O.D. Washer
Fasteners sold in quantities of 250 only

Fastener #44L

Head Size Type
5/16″ Long Life Lap
1/4 “-14 x 5/8 ” Long Life Type B
5/16 ” Hex Washer Head w/Sealing Washer
Use on all SSR systems with endlaps over solid substrate
Fasteners sold in quantities of 250 only

Fastener #46

Head Size Type
5/16″ Long Life B
1/4″-14 x 7/8″ Stainless Lap
5/16″ Hex Washer Head w/ 9/16″ Bonded Washer
Fasteners sold in quantities of 250 only

Fastener #64

Head Size Type Material
5/16″ Driller 410 Stainless
1/4″-14 x 1 1/2″ with #3 Drill Point
5/16″ Hex Washer Head
SuperLok Clip Fastener
Fasteners sold in quantities of 250 only

Fastener #142

Head Size Type
5/16″ Driller
1/4″-14 x 2″ with #3 Drill Point
5/16″ Hex Washer Head 
This Fastener can be purchased in any quantity – Increments of 250 are not required

Fastener #1616

Head Size Type
5/16″ Driller