Fasteners

Fasteners come in a wide variety of specifications, but whether you are planning to use a Bolt, Screw, Rivets, Anchors, Threaded Rods, U-Bolt clamps, selecting material suitable for the intended application is an important concern.

SOCKET CAP SCREWS

FLAT SOCKET CAP SCREWS

BUTTON SOCKET CAP

SOCKET SET SCREWS

SHOULDER BOLTS

ALLEN PIPE PLUGS

HEX SELF DRILLING

METRIC SOCKET SET

U-BOLT GRADE 8

WHEEL STUDS

HEX CAP SCREW GRADE 5

HEX CAP SCREW GRADE 8

HEX CAP SCREW STAINLESS 18-8, 316

L-9 BOLTS

HEX TAP BOLTS

HEX LAG SCREWS

STRUCTURAL BOLTS

STRUCTURAL HEAVY NUT

HEX FLANGE BOLTS

CARRIAGE BOLTS

METRIC BOLTS 8.8, 10.9, 12.9

TRUSS PHIL MACHINE SCREW

FLAT PHIL MACHINE SCREWS

PAN PHIL SHEET METAL SCREWS

OVAL PHIL SHEET METAL SCREWS

TORX FLOOR SCREWS

HEX NUTS GRADE 5, GRADE 8

HEAVY HEX NUTS

HEX NUTS STAINLESS

HEX JAM NUTS

NYLON LOCK NUTS PLTD, YELLOW ZINC

NYLON LOCK NUTS STAINLESS 18-8, 316

KEPT NUTS

WING NUTS

METRIC HEX NUTS

FLAT WASHERS

EXTERNAL LOCK WASHERS

SPLIT LOCK WASHERS

THREADED RODS

DRIVE PINS

COTTER PINS

Head Styles

flat

Flat

flat-under

Flat Undercut

oval

Oval

oval-under

Oval Undercut

roundRound

fillister

Fillister

pan

Pan

binding-under

Binding

binding

Binding Undercut

truss

Truss

round-washer

Round Washer

trimmed-hex

Trimmed Hexagon

ind-hex-slot

Indented Hexagon Slotted

ind-hex-washer

Indented Hexagon Washer

square

Square

Head Markings of Fasteners

Grade 2

Grade 5

Grade 8

A325
Structural

18-8
Stainless Steel

316
Stainless Steel

Driver Styles

Slotted

phillips-slotPhillips Slot

phillipsPhillips

tr_mm_tTR?MM??T

frearsonFrearson

pozidrivePozidrive

clutchClutch

slotted-squareSlotted Square

torxTorx

hexHex

 

12-point12 Point

hex-socketHex Socket

spannerSpanner

one-way-slotOne way Slot

spline-socketSpline Socket

Measuring Threads

measuring-ameasuring-b

Metric Threads – Pitch Inch Threads – Threads per Inch

To Select Phillips Driver Style

Screw Type Screw Diameter and Head Style Bit or
Diver Size
Oval, Pan and Flat Round & Fillister Truss & Brazier

Machine and Tapping Screw

0 & 1
2 thru 4
5 thru 10
12 thru 1/4
5/16 thru 1/2
0 & 1
2 thru 4
5 thru 10
12 thru 5/16
3/8 thru 1/2
0 & 1
2 thru 5
6 thru 10
12 thru 1/4
5/16 thru 1/2
0
1
2
3
4
Wood and Screws 0 & 1
2 thru 4
5 thru 9
10 thru 16
18 thru 24
0 & 1
2 thru 4
5 thru 9
11 thru 16
18 thru 24
0 & 1
2 thru 5
6 thru 10
12 thru 16
18 thru 24
0
1
2
3
4

Measuring Threaded Fasteners (length)

roundplowcarriagesocketovalbindingelevatorbuttom-socketflattrusseyeboltpanhexjboltubolt

Fastener Identifier (D=Diameter)

diameter_0018_14diameter_0002_30diameter_0030_2
diameter_0012_20diameter_0019_13

diameter_0013_19diameter_0025_7

 

diameter_0031_1diameter_0023_9
diameter_0024_8diameter_0004_28
diameter_0029_3

diameter_0003_29

 

diameter_0007_25diameter_0005_27diameter_0006_26

 

 

diameter_0008_24diameter_0009_23diameter_0010_22diameter_0000_32diameter_0015_17diameter_0022_10

diameter_0020_12diameter_0014_18

diameter_0021_11diameter_0001_31

 

 

diameter_0016_16diameter_0026_6

diameter_0027_5

diameter_0028_4

 

diameter_0011_21diameter_0017_15