SCREWS - SECTION: A       Back to Conversion Page        GOTO SCREWS Sect.: B
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 Screws > Tapping & Clearance Hole Information X  Pan Head Machine Screws X
01 (Size # 0 through # 6 Diameter)

09  Standard Head Dimensions - Slotted
02 (Size # 8 through 3/8" Diameter)

10  Combination Drive Head Dimensions - Slotted / Phillips
03 (Size 7/16" through 11/16" Diameter)

11  Torx® Drive Head Dimensions
04 (Size 3/4" through 1-3/16" Diameter)

11  Torx® Drive Head Dimensions
05 (Size 1-1/4" through 1-3/4" Diameter)

12  Pozidrive® (Type 1A) Head Dimensions
 SHCS >Hex Key/Head & Counter-Bore/Sink/Clearance X

13  Square Socket Head Dimensions

06 Number Type Decimal Equivalent

  Flat Head Machine Screws X
07 Fractional Type / Decimal Equivalent

14 82° Flat Head Machine Screws– Slotted & Phillips
aa Metric Type / Decimal Equivalent

15 100° Flat Head– Slotted & Phillips
 Low Head Socket Head Cap Screws X

16 Undercut Flat Head– Slotted & Phillips
    Low Head Socket Head Cap Screws

17 Torx® Drive Flat Head
 SHCS  / FINE THREAD X

18 Square Socket Flat Head
    SHCS  / Fine Thread

19 Posidriv® Flat Head
 Socket Shoulder Screws X  
23 Socket Shoulder Screws
 Hex Head Screws X
20 Hex Head and Hex Washer Head– Slotted & Non-Slotted     MACHINE SCREW IMAGES

21 Domestic Phillips Hex Washer Head

     STAINLESS STEEL SCREW IMAGES

22 Imported Phillips Hex Washer Head

     SOCKET HEAD FASTENERS IMAGES
 

 

 

 

Socket Head
Cap Screws

 

 SOCKET SET SCREWS
       Inch and Metric

 

DESCRIPTION

           CLASS

MATERIAL

STANDARD SIZES

Cup Point
U.N.R.C.
Fine Thread

ASME B18.3
Class 3A Threads

    HeatxTreated

4-40x1/8 thru 1.00-8x3

AlloyxSteel

Cup Point
U.N.R.C.
Fine Thread

ASME B18.3
Class 3A Threads

 
 

4-48x1/8 thru 5/8-18x1

METRIC
Cup Point

ISO Metric Threads

 

M3-0.5x3 thru M20-2.5x60

Half Dog Point
Coarse and
Fine Thread

ASME B18.3
Class 3A Threads

 

8-32x1/4 thru 1/2-13x3/4

Cone Point
Coarse and
Fine Thread

ASME B18.3
Class 3A Threads

 

6-32x1/8 thru 3/8-16x1/2

Flat Point
Coarse and
Fine Thread

ASME B18.3
Class 3A Threads

 

4-40x1/8 thru 1/2-13x3/4

 

 

Oval Point
Coarse Thread

ASME B18.3
Class 3A Threads

8-32x1/4 thru 3/8-16x5/8
 

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Bolts
Stainless Steel

Metric
Bolts

Inch Bolts
Steel

Machine Screws

Socket Set Screws

Screws
Stainless Steel

Screws
Metric

Screws
Construction

Self Drilling
Screws

Wood Screws

Weld Screws
and
Weld Nuts

Tapping Screws

Shoulder Bolts

 

 

MACHINE SCREWS

 

Description

 

MATERIAL

SIZES

Pan Head
Combination
Machine Screw

 

Zinc Plated
Steel

4-40x1/8 thru 1/4-20x4

Round Head
Combination
Machine Screw

 

Zinc Plated
Steel

6-32x2 thru 1/4-20x4

Truss Head
Combination
Machine Screw

 

Zinc Plated
Steel

6-32 thru 1/4-20

Flat Head
Phillips
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 1/2-13

Undercut
Flat Head
Phillips
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 3/8-16

Flat Head
100°
Phillips
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 1/4-20x1-1/2

Fillister Head
Phillips
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 5/16-18x2

Oval Head
Phillips
Machine Screw

 

Zinc Plated
Steel

4-40x1/4 thru 1/4-20x3

Pan Head
Phillips
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 3/8-16x3

Round Head
Phillips
Machine Screw

 

Zinc Plated
Steel

2-56x1/4 thru 3/8-16

Truss Head
Phillips
Machine Screw

 

Zinc Plated
Steel

4-40x3/16 thru 3/8-16x2-1/4

Indented Hex
Washer Head
Phillips
Machine Screw

 

Zinc Plated
Steel

4-40x1/4 thru 1/4-20x1

Binding Undercut
Slotted Head
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 1/4-20x1-1/4

Flat Head
Slotted
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 1/2-13x6

Undercut
Flat Head
Slotted
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 3/8-16x1/2

Fillister Head
Slotted
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 3/8-16x1-1/4

Oval Head
Slotted
Machine Screw

 

Zinc Plated
Steel

4-40x1/4 thru 1/4-20x2

Pan Head
Slotted
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 3/8-16x3

Round Head
Slotted
Machine Screw

 

Zinc Plated
Steel

2-56x1/8 thru 1/2-13x6

Truss Head
Slotted
Machine Screw

 

Zinc Plated
Steel

4-40x1/4 thru 1/2-13

Indented
Hex Head
Slotted
Machine Screw

 

Zinc Plated
Steel

4-40x1/4 thru 3/8-16

Indented
Hex Head
Unslotted
Machine Screw

 

Zinc Plated
Steel

4-40x1/4 thru 3/8-16

Indented
Hex Washer
Slotted
Grounding Screw

 

Green
Zinc Plated
Steel

10-32x3/8 and 10-32x1/2

Indented
Hex Washer
Slotted
Grounding Screw

 

Zinc Plated
Steel

4-40x1/4 thru 3/8-16x2-1/2

Indented
Hex Washer
Slotted
Machine Screw

 

Zinc Plated
Steel

4-40x1/4 thru 3/8-16x2-1/2

Indented
Hex Washer
Un-slotted
Machine Screw

 

Zinc Plated
Steel

4-40x1/4 thru 3/8-16x2


Flat Head
Torx® Drive
Machine Screw

 

Zinc Plated
Steel

4-40x1/4 thru 1/4-20x2

Pan Head
Torx® Drive
Machine Screw

 

Zinc Plated
Steel

2-56x3/16 thru 1/4-20x2

Pan Head
Phillips
Shakeproof®
Square Cone® Washer
Sems Machine Screw

 

Screw is
Zinc Plated
Steel
Baked After
Plating

4-40x1/4 thru 10-32x3/4

Pan Head
Phillips
Split Lock Washer
Sems Machine Screw

 

Screw is
Zinc Plated
Steel
Baked After
Plating

4-40x1/4 thru 1/4-20

Pan Head
Phillips
External Sems
Machine Screw

 

Screw is
Zinc Plated
Steel
Baked After
Plating

4-40x3/16 thru 1/4-20x1-1/4

Pan Head
Phillips
Internal Sems
Machine Screw

 

Screw is
Zinc Plated
Steel
Baked After
Plating

23-56x1/8 thru 1/4-20x1

Pan Head
Slotted
External Sems
Machine Screw

 

Screw is
Zinc Plated
Steel
Baked After
Plating

4-40x3/16 thru 1/4-20x1-1/4

Pan Head
Slotted
Internal Sems
Machine Screw

 

Screw is
Zinc Plated
Steel
Baked After
Plating

4-40x1/4 thru 10-32x1

Flat Head
Phillips
Machine Screw

 

Black Oxide
Plated
Steel

2-56x1/8 thru 1/4-20x2

Pan Head
Phillips
Machine Screw

 

Black Oxide
Plated
Steel

 

 

 

          STAINLESS STEEL SCREWS       

 

Description

MATERIAL

SIZES

Binding Phillips
Machine Screw

18-8
Stainless Steel

4-40x1/8 thru 4-40x1/2

Flat Head
82°
Phillips
Machine Screw

18-8
Stainless Steel

0-80 thru 5/16-18

Flat Head
Undercut
Phillips
Machine Screw

18-8
Stainless Steel

0-80 thru 1/4-20

Flat Head
100°
Phillips
Machine Screw

18-8
Stainless Steel

0-80 thru 1/4-20

Fillister Head
Phillips
Machine Screw

18-8
Stainless Steel

2-56 thru 8-32

Oval Head
Phillips
Machine Screw

18-8
Stainless Steel

4-40 thru 1/4-20

Pan Head
Phillips
Machine Screw

18-8
Stainless Steel

0-80 thru 5/16-18

Round Head
Phillips
Machine Screw

18-8
Stainless Steel

6-32 thru 1/4-20

Truss Head
Phillips
Machine Screw

18-8
Stainless Steel

6-32 thru 1/4-20

Binding
Undercut
Slotted
Machine Screw

18-8
Stainless Steel

2-56 thru 10-32

Flat Head
Slotted
Machine Screw

18-8
Stainless Steel

0-80 thru 1/2-13

Flat Head
100°
Slotted
Machine Screw

18-8
Stainless Steel

6-32x1/4 thru 6-32x1/2

Fillister Head
Slotted
Machine Screw

18-8
Stainless Steel

0-80 thru 5/16-18

Oval Head
Slotted
Machine Screw

18-8
Stainless Steel

10-24 thru 5/16-18

Pan Head
Slotted
Machine Screw