Collection: Screws - Set - Cup Point - Square Head

Screws (With Images)

Cup Point

Square Head

14 Products in this selection

Grade 8 hreat treated alloy steel. All screws are threaded to the head.

Additional resources:
PDF Screws Catalogue
Washers
Nuts

A more concise listing may be found on the Smallparts store at Screws - Set - Cup Point - Square Head. Smallparts promote the most popular MBA products.

Thread	Thread Length (L)	Head Flats (A)	Head Height (B)	C
Thread 1/4-20 UNC (6.35mm)	Thread Length (L) 12.700 mm _{(0.5 in.)}	Head Flats (A) 6.350 mm _{(0.25 in.)}	Head Height (B) 4.740 mm	C 3.170 mm

Part Number: SC064C-013-SQ-C-CP Set Screws - 1/4-20 UNC -6.35mm- 12.7x6.35 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $15.95 AUD Regular price Sale price $15.95 AUD Unit price per Each
Thread	Thread Length (L)	Head Flats (A)	Head Height (B)	Indicative Image
Thread 1/4-20 UNC (6.35mm)	Thread Length (L) 12.700 mm _{(0.5 in.)}	Head Flats (A) 6.350 mm _{(0.25 in.)}	Head Height (B) 4.740 mm
C: 3.170 mm
Part Number: SC064C-013-SQ-C-CP Set Screws - 1/4-20 UNC -6.35mm- 12.7x6.35 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $15.95 AUD Regular price Sale price $15.95 AUD Unit price per Each View the product page first if you are unsure.
SC064C-013-SQ-C-CP --- Set Screws - 1/4-20 UNC -6.35mm- 12.7x6.35 mm SC064C-013-SQ-C-CP --- Set Screws - 1/4-20 UNC -6.35mm- 12.7x6.35 mm Regular price $15.95 AUD Regular price Sale price $15.95 AUD Unit price per Out of stock! Backorder Now
Thread 1/4-20 UNC (6.35mm)	Thread Length (L) 50.800 mm _{(2 in.)}	Head Flats (A) 6.350 mm _{(0.25 in.)}	Head Height (B) 4.740 mm	C 3.170 mm

Part Number: SC064C-051-SQ-C-CP Set Screws - 1/4-20 UNC -6.35mm- 50.8x6.35 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $10.77 AUD Regular price Sale price $10.77 AUD Unit price per Each
Thread 1/4-20 UNC (6.35mm)	Thread Length (L) 50.800 mm _{(2 in.)}	Head Flats (A) 6.350 mm _{(0.25 in.)}	Head Height (B) 4.740 mm
C: 3.170 mm
Part Number: SC064C-051-SQ-C-CP Set Screws - 1/4-20 UNC -6.35mm- 50.8x6.35 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $10.77 AUD Regular price Sale price $10.77 AUD Unit price per Each View the product page first if you are unsure.
SC064C-051-SQ-C-CP --- Set Screws - 1/4-20 UNC -6.35mm- 50.8x6.35 mm SC064C-051-SQ-C-CP --- Set Screws - 1/4-20 UNC -6.35mm- 50.8x6.35 mm Regular price $10.77 AUD Regular price Sale price $10.77 AUD Unit price per Out of stock! Backorder Now
Thread 5/16-18 UNC (7.94mm)	Thread Length (L) 63.500 mm _{(2.5 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 27.380 mm	C 3.960 mm

Part Number: SC079C-064-SQ-C-CP Set Screws - 5/16-18 UNC -7.94mm- 63.5x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $40.59 AUD Regular price Sale price $40.59 AUD Unit price per Each
Thread 5/16-18 UNC (7.94mm)	Thread Length (L) 63.500 mm _{(2.5 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 27.380 mm
C: 3.960 mm
Part Number: SC079C-064-SQ-C-CP Set Screws - 5/16-18 UNC -7.94mm- 63.5x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $40.59 AUD Regular price Sale price $40.59 AUD Unit price per Each View the product page first if you are unsure.
SC079C-064-SQ-C-CP --- Set Screws - 5/16-18 UNC -7.94mm- 63.5x7.92 mm SC079C-064-SQ-C-CP --- Set Screws - 5/16-18 UNC -7.94mm- 63.5x7.92 mm Regular price $40.59 AUD Regular price Sale price $40.59 AUD Unit price per Out of stock! Backorder Now
Thread 3/8-16 UNC (9.53mm)	Thread Length (L) 12.700 mm _{(0.5 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 7.130 mm	C 4.740 mm

Part Number: SC095C-013-SQ-C-CP Set Screws - 3/8-16 UNC -9.53mm- 12.7x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $13.32 AUD Regular price Sale price $13.32 AUD Unit price per Each
Thread 3/8-16 UNC (9.53mm)	Thread Length (L) 12.700 mm _{(0.5 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 7.130 mm
C: 4.740 mm
Part Number: SC095C-013-SQ-C-CP Set Screws - 3/8-16 UNC -9.53mm- 12.7x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $13.32 AUD Regular price Sale price $13.32 AUD Unit price per Each View the product page first if you are unsure.
SC095C-013-SQ-C-CP --- Set Screws - 3/8-16 UNC -9.53mm- 12.7x7.92 mm SC095C-013-SQ-C-CP --- Set Screws - 3/8-16 UNC -9.53mm- 12.7x7.92 mm Regular price $13.32 AUD Regular price Sale price $13.32 AUD Unit price per Out of stock! Backorder Now
Thread 3/8-16 UNC (9.53mm)	Thread Length (L) 19.050 mm _{(0.75 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 7.130 mm	C 4.740 mm

Part Number: SC095C-019-SQ-C-CP Set Screws - 3/8-16 UNC -9.53mm- 19.05x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $17.95 AUD Regular price Sale price $17.95 AUD Unit price per Each
Thread 3/8-16 UNC (9.53mm)	Thread Length (L) 19.050 mm _{(0.75 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 7.130 mm
C: 4.740 mm
Part Number: SC095C-019-SQ-C-CP Set Screws - 3/8-16 UNC -9.53mm- 19.05x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $17.95 AUD Regular price Sale price $17.95 AUD Unit price per Each View the product page first if you are unsure.
SC095C-019-SQ-C-CP --- Set Screws - 3/8-16 UNC -9.53mm- 19.05x7.92 mm SC095C-019-SQ-C-CP --- Set Screws - 3/8-16 UNC -9.53mm- 19.05x7.92 mm Regular price $17.95 AUD Regular price Sale price $17.95 AUD Unit price per Out of stock! Backorder Now
Thread 3/8-16 UNC (9.53mm)	Thread Length (L) 63.500 mm _{(2.5 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 7.130 mm	C 4.740 mm

Part Number: SC095C-064-SQ-C-CP Set Screws - 3/8-16 UNC -9.53mm- 63.5x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $41.32 AUD Regular price Sale price $41.32 AUD Unit price per Each
Thread 3/8-16 UNC (9.53mm)	Thread Length (L) 63.500 mm _{(2.5 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 7.130 mm
C: 4.740 mm
Part Number: SC095C-064-SQ-C-CP Set Screws - 3/8-16 UNC -9.53mm- 63.5x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $41.32 AUD Regular price Sale price $41.32 AUD Unit price per Each View the product page first if you are unsure.
SC095C-064-SQ-C-CP --- Set Screws - 3/8-16 UNC -9.53mm- 63.5x7.92 mm SC095C-064-SQ-C-CP --- Set Screws - 3/8-16 UNC -9.53mm- 63.5x7.92 mm Regular price $41.32 AUD Regular price Sale price $41.32 AUD Unit price per Out of stock! Backorder Now
Thread 3/8-16 UNC (9.53mm)	Thread Length (L) 76.200 mm _{(3 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 7.130 mm	C 4.740 mm

Part Number: SC095C-076-SQ-C-CP Set Screws - 3/8-16 UNC -9.53mm- 76.2x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $43.14 AUD Regular price Sale price $43.14 AUD Unit price per Each
Thread 3/8-16 UNC (9.53mm)	Thread Length (L) 76.200 mm _{(3 in.)}	Head Flats (A) 7.920 mm _{(0.312 in.)}	Head Height (B) 7.130 mm
C: 4.740 mm
Part Number: SC095C-076-SQ-C-CP Set Screws - 3/8-16 UNC -9.53mm- 76.2x7.92 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $43.14 AUD Regular price Sale price $43.14 AUD Unit price per Each View the product page first if you are unsure.
SC095C-076-SQ-C-CP --- Set Screws - 3/8-16 UNC -9.53mm- 76.2x7.92 mm SC095C-076-SQ-C-CP --- Set Screws - 3/8-16 UNC -9.53mm- 76.2x7.92 mm Regular price $43.14 AUD Regular price Sale price $43.14 AUD Unit price per Out of stock! Backorder Now
Thread 1/2-13 UNC (12.7mm)	Thread Length (L) 50.800 mm _{(2 in.)}	Head Flats (A) 12.700 mm _{(0.5 in.)}	Head Height (B) 9.520 mm	C 6.350 mm

Part Number: SC127C-051-SQ-C-CP Set Screws - 1/2-13 UNC -12.7mm- 50.8x12.7 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $32.77 AUD Regular price Sale price $32.77 AUD Unit price per Each
Thread 1/2-13 UNC (12.7mm)	Thread Length (L) 50.800 mm _{(2 in.)}	Head Flats (A) 12.700 mm _{(0.5 in.)}	Head Height (B) 9.520 mm
C: 6.350 mm
Part Number: SC127C-051-SQ-C-CP Set Screws - 1/2-13 UNC -12.7mm- 50.8x12.7 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $32.77 AUD Regular price Sale price $32.77 AUD Unit price per Each View the product page first if you are unsure.
SC127C-051-SQ-C-CP --- Set Screws - 1/2-13 UNC -12.7mm- 50.8x12.7 mm SC127C-051-SQ-C-CP --- Set Screws - 1/2-13 UNC -12.7mm- 50.8x12.7 mm Regular price $32.77 AUD Regular price Sale price $32.77 AUD Unit price per Out of stock! Backorder Now
Thread 1/2-13 UNC (12.7mm)	Thread Length (L) 63.500 mm _{(2.5 in.)}	Head Flats (A) 12.700 mm _{(0.5 in.)}	Head Height (B) 9.520 mm	C 6.350 mm

Part Number: SC127C-064-SQ-C-CP Set Screws - 1/2-13 UNC -12.7mm- 63.5x12.7 mm 14 Available Immediately \| Further orders can be expected around Mon, Jun 02, 2025 Regular price $33.23 AUD Regular price Sale price $33.23 AUD Unit price per Each
Thread 1/2-13 UNC (12.7mm)	Thread Length (L) 63.500 mm _{(2.5 in.)}	Head Flats (A) 12.700 mm _{(0.5 in.)}	Head Height (B) 9.520 mm
C: 6.350 mm
Part Number: SC127C-064-SQ-C-CP Set Screws - 1/2-13 UNC -12.7mm- 63.5x12.7 mm 14 Available Immediately \| Further orders can be expected around Mon, Jun 02, 2025 Regular price $33.23 AUD Regular price Sale price $33.23 AUD Unit price per Each View the product page first if you are unsure.
SC127C-064-SQ-C-CP --- Set Screws - 1/2-13 UNC -12.7mm- 63.5x12.7 mm SC127C-064-SQ-C-CP --- Set Screws - 1/2-13 UNC -12.7mm- 63.5x12.7 mm Regular price $33.23 AUD Regular price Sale price $33.23 AUD Unit price per 14 Available Now
Thread 1/2-13 UNC (12.7mm)	Thread Length (L) 101.600 mm _{(4 in.)}	Head Flats (A) 12.700 mm _{(0.5 in.)}	Head Height (B) 9.520 mm	C 6.350 mm

Part Number: SC127C-102-SQ-C-CP (13 Pcs) Set Screws - 1/2-13 UNC -12.7mm- 101.6x12.7 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $358.41 AUD Regular price Sale price $358.41 AUD Unit price per Per 13
Thread 1/2-13 UNC (12.7mm)	Thread Length (L) 101.600 mm _{(4 in.)}	Head Flats (A) 12.700 mm _{(0.5 in.)}	Head Height (B) 9.520 mm
C: 6.350 mm
Part Number: SC127C-102-SQ-C-CP (13 Pcs) Set Screws - 1/2-13 UNC -12.7mm- 101.6x12.7 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $358.41 AUD Regular price Sale price $358.41 AUD Unit price per Per 13 View the product page first if you are unsure.
SC127C-102-SQ-C-CP (13 Pcs) --- Set Screws - 1/2-13 UNC -12.7mm- 101.6x12.7 mm SC127C-102-SQ-C-CP (13 Pcs) --- Set Screws - 1/2-13 UNC -12.7mm- 101.6x12.7 mm Regular price $358.41 AUD Regular price Sale price $358.41 AUD Unit price per Out of stock! Backorder Now
Thread 5/8-11 UNC (15.88mm)	Thread Length (L) 63.500 mm _{(2.5 in.)}	Head Flats (A) 15.870 mm _{(0.625 in.)}	Head Height (B) 29.360 mm	C 7.920 mm

Part Number: SC159C-064-SQ-C-CP Set Screws - 5/8-11 UNC -15.88mm- 63.5x15.87 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $51.68 AUD Regular price Sale price $51.68 AUD Unit price per Each
Thread 5/8-11 UNC (15.88mm)	Thread Length (L) 63.500 mm _{(2.5 in.)}	Head Flats (A) 15.870 mm _{(0.625 in.)}	Head Height (B) 29.360 mm
C: 7.920 mm
Part Number: SC159C-064-SQ-C-CP Set Screws - 5/8-11 UNC -15.88mm- 63.5x15.87 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $51.68 AUD Regular price Sale price $51.68 AUD Unit price per Each View the product page first if you are unsure.
SC159C-064-SQ-C-CP --- Set Screws - 5/8-11 UNC -15.88mm- 63.5x15.87 mm SC159C-064-SQ-C-CP --- Set Screws - 5/8-11 UNC -15.88mm- 63.5x15.87 mm Regular price $51.68 AUD Regular price Sale price $51.68 AUD Unit price per Out of stock! Backorder Now
Thread 5/8-11 UNC (15.88mm)	Thread Length (L) 76.200 mm _{(3 in.)}	Head Flats (A) 15.870 mm _{(0.625 in.)}	Head Height (B) 29.360 mm	C 7.920 mm

Part Number: SC159C-076-SQ-C-CP Set Screws - 5/8-11 UNC -15.88mm- 76.2x15.87 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $72.05 AUD Regular price Sale price $72.05 AUD Unit price per Each
Thread 5/8-11 UNC (15.88mm)	Thread Length (L) 76.200 mm _{(3 in.)}	Head Flats (A) 15.870 mm _{(0.625 in.)}	Head Height (B) 29.360 mm
C: 7.920 mm
Part Number: SC159C-076-SQ-C-CP Set Screws - 5/8-11 UNC -15.88mm- 76.2x15.87 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $72.05 AUD Regular price Sale price $72.05 AUD Unit price per Each View the product page first if you are unsure.
SC159C-076-SQ-C-CP --- Set Screws - 5/8-11 UNC -15.88mm- 76.2x15.87 mm SC159C-076-SQ-C-CP --- Set Screws - 5/8-11 UNC -15.88mm- 76.2x15.87 mm Regular price $72.05 AUD Regular price Sale price $72.05 AUD Unit price per Out of stock! Backorder Now
Thread 3/4-10 UNC (19.05mm)	Thread Length (L) 76.200 mm _{(3 in.)}	Head Flats (A) 15.870 mm _{(0.625 in.)}	Head Height (B) 14.270 mm	C 9.520 mm

Part Number: SC191C-076-SQ-C-CP Set Screws - 3/4-10 UNC -19.05mm- 76.2x15.87 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $90.32 AUD Regular price Sale price $90.32 AUD Unit price per Each
Thread 3/4-10 UNC (19.05mm)	Thread Length (L) 76.200 mm _{(3 in.)}	Head Flats (A) 15.870 mm _{(0.625 in.)}	Head Height (B) 14.270 mm
C: 9.520 mm
Part Number: SC191C-076-SQ-C-CP Set Screws - 3/4-10 UNC -19.05mm- 76.2x15.87 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $90.32 AUD Regular price Sale price $90.32 AUD Unit price per Each View the product page first if you are unsure.
SC191C-076-SQ-C-CP --- Set Screws - 3/4-10 UNC -19.05mm- 76.2x15.87 mm SC191C-076-SQ-C-CP --- Set Screws - 3/4-10 UNC -19.05mm- 76.2x15.87 mm Regular price $90.32 AUD Regular price Sale price $90.32 AUD Unit price per Out of stock! Backorder Now
Thread 3/4-10 UNC (19.05mm)	Thread Length (L) 127.000 mm _{(5 in.)}	Head Flats (A) 15.870 mm _{(0.625 in.)}	Head Height (B) 14.270 mm	C 9.520 mm

Part Number: SC191C-127-SQ-C-CP Set Screws - 3/4-10 UNC -19.05mm- 127x15.87 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $117.59 AUD Regular price Sale price $117.59 AUD Unit price per Each
Thread 3/4-10 UNC (19.05mm)	Thread Length (L) 127.000 mm _{(5 in.)}	Head Flats (A) 15.870 mm _{(0.625 in.)}	Head Height (B) 14.270 mm
C: 9.520 mm
Part Number: SC191C-127-SQ-C-CP Set Screws - 3/4-10 UNC -19.05mm- 127x15.87 mm Out of Stock \| Backorder Now \| Orders can be expected around Mon, Jun 02, 2025 Regular price $117.59 AUD Regular price Sale price $117.59 AUD Unit price per Each View the product page first if you are unsure.
SC191C-127-SQ-C-CP --- Set Screws - 3/4-10 UNC -19.05mm- 127x15.87 mm SC191C-127-SQ-C-CP --- Set Screws - 3/4-10 UNC -19.05mm- 127x15.87 mm Regular price $117.59 AUD Regular price Sale price $117.59 AUD Unit price per Out of stock! Backorder Now