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Home
>
Fasteners
>
Hex Bolts and Cap Screws
>
Silicon Bronze Hex Cap Screw
>
1/4-20 X 1 SILICON BRONZE HEX CAP SCREW
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1/4-20 X 1 SILICON BRONZE HEX CAP SCREW
Item #:
HHSB0250100
1/4-20 X 1 SILICON BRONZE HEX CAP SCREW
$0.78357/EA
Quantity
Price
Quantity
Price
1
$0.78357/ EA
490
$0.73407/ EA
1950
$0.65373/ EA
8760
$0.43321/ EA
Qty
In Stock
Add To Cart
Technical Data
Product Specification
Governing Standards
Dimensional Specifications
Product Specification
Diameter
1/4
Length
1
Thread Length
1.0000
Grades
Silicon Bronze
Finish
None
Weight
0.0205632,
Governing Standards
Governing Standards
Silicon Bronze
ASME B18.2.1
Covers the complete general and dimensional data for multiple types of inch series square and hex bolts and screws.
ASME B1.1 UNC & UNF Class 2A
Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.
Silicon Bronze requires no material marking
Dimensional Specifications
Dimensional Specifications
Silicon Bronze
Per ASME B18.2.1-2012
Nominal
Diameter
UNC
UNF
E
F
G
H
J
LT
Y
Body Diameter
Width Across Flats
Width Across
Corners
Head Height
Wrench
Height
Thread Length
Transition
Length
Max
Min
Basic
Max
Min
Max
Min
Basic
Max
Min
Min
Lengths
up to 6"
Lengths
> 6"
Max
1/4
0.2500
20
28
0.2500
0.2405
7/16
0.4380
0.4280
0.5050
0.4880
5/32
0.1630
0.1500
0.1060
0.7500
1.0000
0.2500
5/16
0.3125
18
24
0.3125
0.3065
1/2
0.5000
0.4890
0.5770
0.5570
13/64
0.2110
0.1950
0.1400
0.8750
1.1250
0.2750
3/8
0.3750
16
24
0.3750
0.3690
9/16
0.5620
0.5510
0.6500
0.6280
15/64
0.2430
0.2260
0.1600
1.0000
1.2500
0.3120
7/16
0.4375
14
20
0.4375
0.4305
5/8
0.6250
0.6120
0.7220
0.6980
9/32
0.2910
0.2720
0.1950
1.1250
1.3750
0.3570
1/2
0.5000
13
20
0.5000
0.4930
3/4
0.7500
0.7360
0.8660
0.8400
5/16
0.3230
0.3020
0.2150
1.2500
1.5000
0.3850
9/16
0.5625
12
18
0.5625
0.5545
13/16
0.8120
0.7980
0.9380
0.9100
23/64
0.3710
0.3480
0.2500
1.3750
1.6250
0.4170
5/8
0.6250
11
18
0.6250
0.6170
15/16
0.9380
0.9220
1.0830
1.0510
25/64
0.4030
0.3780
0.2690
1.5000
1.7500
0.4550
3/4
0.7500
10
16
0.7500
0.7410
1 1/8
1.1250
1.1000
1.2990
1.2540
15/32
0.4830
0.4550
0.3240
1.7500
2.0000
0.5000
7/8
0.8750
9
14
0.8750
0.8660
1 5/16
1.3120
1.2850
1.5160
1.4650
35/64
0.5630
0.5310
0.3780
2.0000
2.2500
0.5560
1
1.0000
8
14
1.0000
0.9900
1 1/2
1.5000
1.4690
1.7320
1.6750
39/64
0.6270
0.5910
0.4160
2.2500
2.5000
0.6250
1 1/8
1.1250
7
12
1.1250
1.1140
1 11/16
1.6880
1.6310
1.9490
1.8590
11/16
0.7180
0.6580
0.4610
2.5000
2.7500
0.7140
1 1/4
1.2500
7
12
1.2500
1.2390
1 7/8
1.8750
1.8120
2.1650
2.0660
25/32
0.8130
0.7490
0.5300
2.7500
3.0000
0.7140
1 3/8
1.3750
6
12
1.3750
1.3630
2 1/16
2.0620
1.9940
2.3820
2.2730
27/32
0.8780
0.8100
0.5690
3.0000
3.2500
0.8330
1 1/2
1.5000
6
12
1.5000
1.4880
2 1/4
2.2500
2.1750
2.5980
2.4800
15/16
0.9740
0.9020
0.6400
3.2500
3.5000
0.8330
All dimensions are in inches.
Usable thread length for Hex Head Cap Screws under 6 1/4" long can be approximated by the equation THREAD LENGTH = (2 X DIAMETER) + 1/4″