Screws - Thumb - Flat Key Head - Standard

Screws -> Thumb -> Flat Key Head -> Standard

There are 9 products in the sub-categories of Screws - Thumb - Flat Key Head - Standard. Browse the Screws - Thumb - Flat Key Head - Standard products table.

Category Details

A selection of Standard Flat Key Head Thumb Screws. This is the main category in this series

  • An expanded range may be available on special order. Please enquire.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Screws - Thumb - Flat Key Head - Standard category on the MBA Minibearings main store.
Thread Size (C) Thread Length (Tl) Overall Length (L) Head Diameter (D) Head Height (H) Indicative
Image
Thread Size (C)
3/16-24 BSW (4.76mm)

Thread Length (Tl)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L)
30.40
mm

(Equiv. 1.197 in.)
Head Diameter (D)
13.70
mm
Thumb Screws - 3/16-24 BSW - 4.76mm - 19.05x30.4 mm Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated    Head Type: Flat Key   
Deleted Item. Available while stocks last.
Part Number: THS048W-019-F-CS (PK-10)
Thumb Screws - 3/16-24 BSW - 4.76mm - 19.05x30.4 mm Flat Key Head - Steel Screw
12 units (120 pcs) Available Now | Item Discontinued - Up to 12 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.89 AUD
$10.28 AUD $2.89 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

12 units (120 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C) Thread Length (Tl) Overall Length (L) Indicative
Image
Thread Size (C)
3/16-24 BSW (4.76mm)

Thread Length (Tl)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L)
30.40
mm

(Equiv. 1.197 in.)
Thumb Screws - 3/16-24 BSW - 4.76mm - 19.05x30.4 mm Flat Key Head - Steel
Material: Steel    Head Diameter (D): 13.70 mm    Finish: Zinc Plated    Head Type: Flat Key   
Deleted Item. Available while stocks last.
Part Number: THS048W-019-F-CS (PK-10)
Thumb Screws - 3/16-24 BSW - 4.76mm - 19.05x30.4 mm Flat Key Head - Steel Screw
12 units (120 pcs) Available Now | Item Discontinued - Up to 12 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.89 AUD
$10.28 AUD $2.89 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

12 units (120 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
M5 (5x0.8mm)

Thread Length (Tl)
12.00
mm

(Equiv. 0.472 in.)
Overall Length (L)
23.70
mm

(Equiv. 0.933 in.)
Head Diameter (D)
13.70
mm
Thumb Screws - M5 - 5x0.8mm - 12x23.7 mm Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated    Head Type: Flat Key   
Part Number: THS050M-012-F-CS (PK-10)
Thumb Screws - M5 - 5x0.8mm - 12x23.7 mm Flat Key Head - Steel Screw
17 units (170 pcs) Available Now | Further orders can be expected around Thu, Feb 05, 2026
$2.41 AUD
$4.43 AUD $2.41 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

17 units (170 pcs) Available Now. Backorder if more than 17.
Thread Size (C)
M5 (5x0.8mm)

Thread Length (Tl)
12.00
mm

(Equiv. 0.472 in.)
Overall Length (L)
23.70
mm

(Equiv. 0.933 in.)
Thumb Screws - M5 - 5x0.8mm - 12x23.7 mm Flat Key Head - Steel
Material: Steel    Head Diameter (D): 13.70 mm    Finish: Zinc Plated    Head Type: Flat Key   
Part Number: THS050M-012-F-CS (PK-10)
Thumb Screws - M5 - 5x0.8mm - 12x23.7 mm Flat Key Head - Steel Screw
17 units (170 pcs) Available Now | Further orders can be expected around Thu, Feb 05, 2026
$2.41 AUD
$4.43 AUD $2.41 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

17 units (170 pcs) Available Now. Backorder if more than 17.
Thread Size (C)
M5 (5x0.8mm)

Thread Length (Tl)
16.00
mm

(Equiv. 0.63 in.)
Overall Length (L)
27.70
mm

(Equiv. 1.091 in.)
Head Diameter (D)
13.70
mm
Thumb Screws - M5 - 5x0.8mm - 16x27.7 mm Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated    Head Type: Flat Key   
Part Number: THS050M-016-F-CS (PK-5)
Thumb Screws - M5 - 5x0.8mm - 16x27.7 mm Flat Key Head - Steel Screw
40 units (200 pcs) Available Now | Further orders can be expected around Thu, Feb 05, 2026
$2.05 AUD
$3.68 AUD $2.05 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

40 units (200 pcs) Available Now. Backorder if more than 40.
Thread Size (C)
M5 (5x0.8mm)

Thread Length (Tl)
16.00
mm

(Equiv. 0.63 in.)
Overall Length (L)
27.70
mm

(Equiv. 1.091 in.)
Thumb Screws - M5 - 5x0.8mm - 16x27.7 mm Flat Key Head - Steel
Material: Steel    Head Diameter (D): 13.70 mm    Finish: Zinc Plated    Head Type: Flat Key   
Part Number: THS050M-016-F-CS (PK-5)
Thumb Screws - M5 - 5x0.8mm - 16x27.7 mm Flat Key Head - Steel Screw
40 units (200 pcs) Available Now | Further orders can be expected around Thu, Feb 05, 2026
$2.05 AUD
$3.68 AUD $2.05 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

40 units (200 pcs) Available Now. Backorder if more than 40.
Thread Size (C)
M5 (5x0.8mm)

Thread Length (Tl)
20.00
mm

(Equiv. 0.787 in.)
Overall Length (L)
31.70
mm

(Equiv. 1.248 in.)
Head Diameter (D)
13.70
mm
Thumb Screws - M5 - 5x0.8mm - 20x31.7 mm Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated    Head Type: Flat Key   
Part Number: THS050M-020-F-CS (PK-10)
Thumb Screws - M5 - 5x0.8mm - 20x31.7 mm Flat Key Head - Steel Screw
20 units (200 pcs) Available Now | Further orders can be expected around Thu, Feb 05, 2026
$4.05 AUD
$7.64 AUD $4.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

20 units (200 pcs) Available Now. Backorder if more than 20.
Thread Size (C)
M5 (5x0.8mm)

Thread Length (Tl)
20.00
mm

(Equiv. 0.787 in.)
Overall Length (L)
31.70
mm

(Equiv. 1.248 in.)
Thumb Screws - M5 - 5x0.8mm - 20x31.7 mm Flat Key Head - Steel
Material: Steel    Head Diameter (D): 13.70 mm    Finish: Zinc Plated    Head Type: Flat Key   
Part Number: THS050M-020-F-CS (PK-10)
Thumb Screws - M5 - 5x0.8mm - 20x31.7 mm Flat Key Head - Steel Screw
20 units (200 pcs) Available Now | Further orders can be expected around Thu, Feb 05, 2026
$4.05 AUD
$7.64 AUD $4.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

20 units (200 pcs) Available Now. Backorder if more than 20.
Thread Size (C)
M5 (5x0.8mm)

Thread Length (Tl)
25.00
mm

(Equiv. 0.984 in.)
Overall Length (L)
36.70
mm

(Equiv. 1.445 in.)
Head Diameter (D)
13.70
mm
Thumb Screws - M5 - 5x0.8mm - 25x36.7 mm Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated    Head Type: Flat Key   
Deleted Item. Available while stocks last.
Part Number: THS050M-025-F-CS (PK-20)
Thumb Screws - M5 - 5x0.8mm - 25x36.7 mm Flat Key Head - Steel Screw
5 units (100 pcs) Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.49 AUD
$11.00 AUD $3.49 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (100 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
M5 (5x0.8mm)

Thread Length (Tl)
25.00
mm

(Equiv. 0.984 in.)
Overall Length (L)
36.70
mm

(Equiv. 1.445 in.)
Thumb Screws - M5 - 5x0.8mm - 25x36.7 mm Flat Key Head - Steel
Material: Steel    Head Diameter (D): 13.70 mm    Finish: Zinc Plated    Head Type: Flat Key   
Deleted Item. Available while stocks last.
Part Number: THS050M-025-F-CS (PK-20)
Thumb Screws - M5 - 5x0.8mm - 25x36.7 mm Flat Key Head - Steel Screw
5 units (100 pcs) Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.49 AUD
$11.00 AUD $3.49 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (100 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
M6 (6x1mm)

Thread Length (Tl)
20.00
mm

(Equiv. 0.787 in.)
Thumb Screws - M6 - 6x1mm - 20 Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated    Head Type: Flat Key   
Deleted Item. Available while stocks last.
Part Number: THS060M-020-F-CS (PK-10)
Thumb Screws - M6 - 6x1mm - 20 - - Flat Key Head - Steel Screw
18 units (180 pcs) Available Now | Item Discontinued - Up to 18 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.89 AUD
$10.33 AUD $2.89 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

18 units (180 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
M6 (6x1mm)

Thread Length (Tl)
20.00
mm

(Equiv. 0.787 in.)
Thumb Screws - M6 - 6x1mm - 20 Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated    Head Type: Flat Key   
Deleted Item. Available while stocks last.
Part Number: THS060M-020-F-CS (PK-10)
Thumb Screws - M6 - 6x1mm - 20 - - Flat Key Head - Steel Screw
18 units (180 pcs) Available Now | Item Discontinued - Up to 18 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.89 AUD
$10.33 AUD $2.89 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

18 units (180 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
1/4-20 UNC (6.35mm)

Thread Length (Tl)
25.40
mm

(Equiv. 1 in.)
Overall Length (L)
41.28
mm

(Equiv. 1.625 in.)
Head Diameter (D)
22.23
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Head Type: Flat Key   
Part Number: THS064C-025-F-MI (Each)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron Screw
9 Available Now | Further orders can be expected around Mon, Dec 29, 2025
$14.32 AUD
$14.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

9 Available Now. Backorder if more than 9.
Thread Size (C)
1/4-20 UNC (6.35mm)

Thread Length (Tl)
25.40
mm

(Equiv. 1 in.)
Overall Length (L)
41.28
mm

(Equiv. 1.625 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (D): 22.23 mm    Finish: Tumbled    Head Type: Flat Key   
Part Number: THS064C-025-F-MI (Each)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x41.28 mm Flat Key Head - Malleable Iron Screw
9 Available Now | Further orders can be expected around Mon, Dec 29, 2025
$14.32 AUD
$14.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

9 Available Now. Backorder if more than 9.
Thread Size (C)
1/4-20 BSW (6.35mm)

Thread Length (Tl)
25.40
mm

(Equiv. 1 in.)
Thumb Screws - 1/4-20 BSW - 6.35mm - 25.4 Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated    Head Type: Flat Key   
Deleted Item. Available while stocks last.
Part Number: THS064W-025-F-CS (PK-10)
Thumb Screws - 1/4-20 BSW - 6.35mm - 25.4 - - Flat Key Head - Steel Screw
20 units (200 pcs) Available Now | Item Discontinued - Up to 20 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.56 AUD
$12.66 AUD $3.56 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

20 units (200 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
1/4-20 BSW (6.35mm)

Thread Length (Tl)
25.40
mm

(Equiv. 1 in.)
Thumb Screws - 1/4-20 BSW - 6.35mm - 25.4 Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated    Head Type: Flat Key   
Deleted Item. Available while stocks last.
Part Number: THS064W-025-F-CS (PK-10)
Thumb Screws - 1/4-20 BSW - 6.35mm - 25.4 - - Flat Key Head - Steel Screw
20 units (200 pcs) Available Now | Item Discontinued - Up to 20 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.56 AUD
$12.66 AUD $3.56 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

20 units (200 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (Tl)
25.40
mm

(Equiv. 1 in.)
Overall Length (L)
42.86
mm

(Equiv. 1.687 in.)
Head Diameter (D)
25.40
mm
Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x42.86 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Finish: Tumbled    Head Type: Flat Key   
Part Number: THS079C-025-F-MI (Each)
Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x42.86 mm Flat Key Head - Malleable Iron Screw
8 Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
$7.68 AUD
$16.65 AUD $7.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

8 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (Tl)
25.40
mm

(Equiv. 1 in.)
Overall Length (L)
42.86
mm

(Equiv. 1.687 in.)
Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x42.86 mm Flat Key Head - Malleable Iron
Material: Malleable Iron    Head Diameter (D): 25.40 mm    Finish: Tumbled    Head Type: Flat Key   
Part Number: THS079C-025-F-MI (Each)
Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x42.86 mm Flat Key Head - Malleable Iron Screw
8 Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
$7.68 AUD
$16.65 AUD $7.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

8 Available Now. These are priced to quit. Please contact us for a quote if you require more.