![ZZZYW 2-56 4-40 6-32 10-24 1/4 5/16 3/8 1/2 Socket Set Flat Head Screw Bolt Metric Thread (Color : 10-24, Length : 1-1/4") ZZZYW 2-56 4-40 6-32 10-24 1/4 5/16 3/8 1/2 Socket Set Flat Head Screw Bolt Metric Thread (Color : 10-24, Length : 1-1/4")](https://m.media-amazon.com/images/I/61Kp4Un0l8L._AC_UF894,1000_QL80_.jpg)
ZZZYW 2-56 4-40 6-32 10-24 1/4 5/16 3/8 1/2 Socket Set Flat Head Screw Bolt Metric Thread (Color : 10-24, Length : 1-1/4")
![Chart comparing standard screw / nut / hole sizes | Screws and bolts, Nut and bolt storage, Metal working tools Chart comparing standard screw / nut / hole sizes | Screws and bolts, Nut and bolt storage, Metal working tools](https://i.pinimg.com/736x/0b/94/8c/0b948c73c328862b17a100ff3d357c33.jpg)
Chart comparing standard screw / nut / hole sizes | Screws and bolts, Nut and bolt storage, Metal working tools
![UNC 4#-40 Alloy Steel 100pcs Hex Socket Head Cap Screws,12.9 Grade,Full Thread,Metric,Knuled Head Bolt Black (4#40 x 3/8") UNC 4#-40 Alloy Steel 100pcs Hex Socket Head Cap Screws,12.9 Grade,Full Thread,Metric,Knuled Head Bolt Black (4#40 x 3/8")](https://m.media-amazon.com/images/I/41vmNfMfp4L._AC_UF894,1000_QL80_.jpg)
UNC 4#-40 Alloy Steel 100pcs Hex Socket Head Cap Screws,12.9 Grade,Full Thread,Metric,Knuled Head Bolt Black (4#40 x 3/8")
![280PCS #4-40 UNC Stainless Steel Button Head Socket Cap Screws Bolts, Nuts Assortment Kit, Includes 9 Most Common Sizes (#4-40×5/8", 3/4", 7/8", 1", 1/2", 3/8", 5/16", 1/4", 3/16"): Amazon.com: Industrial & Scientific 280PCS #4-40 UNC Stainless Steel Button Head Socket Cap Screws Bolts, Nuts Assortment Kit, Includes 9 Most Common Sizes (#4-40×5/8", 3/4", 7/8", 1", 1/2", 3/8", 5/16", 1/4", 3/16"): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71EQjoRdxqL.jpg)
280PCS #4-40 UNC Stainless Steel Button Head Socket Cap Screws Bolts, Nuts Assortment Kit, Includes 9 Most Common Sizes (#4-40×5/8", 3/4", 7/8", 1", 1/2", 3/8", 5/16", 1/4", 3/16"): Amazon.com: Industrial & Scientific
![4-40 UNC x 1/4 inch Phillips Pan Head Machine Screws (ANSI B18.6.3) - A2 Stainless Steel: Accu.co.uk: Precision Screws 4-40 UNC x 1/4 inch Phillips Pan Head Machine Screws (ANSI B18.6.3) - A2 Stainless Steel: Accu.co.uk: Precision Screws](https://i.accu.co.uk/360/_APC/SIP-A2/0_2.png?scale.option=fill&w=400&h=0&q=90)
4-40 UNC x 1/4 inch Phillips Pan Head Machine Screws (ANSI B18.6.3) - A2 Stainless Steel: Accu.co.uk: Precision Screws
![Hillman #4- 40 x 1/4-in Allen-Drive Cap Screws (15-Count) in the Machine Screws department at Lowes.com Hillman #4- 40 x 1/4-in Allen-Drive Cap Screws (15-Count) in the Machine Screws department at Lowes.com](https://mobileimages.lowes.com/productimages/e9cdf3df-d0a2-4460-8fbe-117863da830e/09955033.jpg?size=pdhism)
Hillman #4- 40 x 1/4-in Allen-Drive Cap Screws (15-Count) in the Machine Screws department at Lowes.com
![4-40 (1/8 inch) x 3/8 inch Precision Slotted Shoulder Screws - A2 Stainless Steel: Accu.co.uk: Precision Screws 4-40 (1/8 inch) x 3/8 inch Precision Slotted Shoulder Screws - A2 Stainless Steel: Accu.co.uk: Precision Screws](https://i.accu.co.uk/360/_APC/SFHZ-A2/0_14.png?scale.option=fill&w=400&h=0&q=90)
4-40 (1/8 inch) x 3/8 inch Precision Slotted Shoulder Screws - A2 Stainless Steel: Accu.co.uk: Precision Screws
![10pcs 1/8 5/32 3/16 1/4 5/16 3/8 4-40 6-32 8-32 10-32 Grade 10.9 Hex Flat Head Socket Cap Screw Metric Thread Bolt Steel Black (Color : 1 4-20, Size : ... 10pcs 1/8 5/32 3/16 1/4 5/16 3/8 4-40 6-32 8-32 10-32 Grade 10.9 Hex Flat Head Socket Cap Screw Metric Thread Bolt Steel Black (Color : 1 4-20, Size : ...](https://m.media-amazon.com/images/I/51IrsfjpH6L.jpg)
10pcs 1/8 5/32 3/16 1/4 5/16 3/8 4-40 6-32 8-32 10-32 Grade 10.9 Hex Flat Head Socket Cap Screw Metric Thread Bolt Steel Black (Color : 1 4-20, Size : ...
![4-40 UNC x 1/4 inch Phillips Pan Head Machine Screws (ANSI B18.6.3) - A2 Stainless Steel: Accu.co.uk: Precision Screws 4-40 UNC x 1/4 inch Phillips Pan Head Machine Screws (ANSI B18.6.3) - A2 Stainless Steel: Accu.co.uk: Precision Screws](https://i.accu.co.uk/360/_APC/SIP-A2/0_14.png?scale.option=fill&w=400&h=0&q=90)
4-40 UNC x 1/4 inch Phillips Pan Head Machine Screws (ANSI B18.6.3) - A2 Stainless Steel: Accu.co.uk: Precision Screws
![Screw Sizes Cross Reference - Equipment, Tools & Supplies - Electronic Component and Engineering Solution Forum - TechForum │ DigiKey Screw Sizes Cross Reference - Equipment, Tools & Supplies - Electronic Component and Engineering Solution Forum - TechForum │ DigiKey](https://global.discourse-cdn.com/digikey/original/3X/7/9/79882887162748943b5b9e5f400cc636dc29d11c.png)