Home / Screws & Bolts / Security Fasteners / 2-Hole Drive / 2-Hole Countersunk Machine Screws Product Description M5 x 16mm 2-Hole Countersunk Security Screws - A2 Stainless Steel2-Hole Countersunk Security Screws, also known as Snake Eye® or Pig Nose, feature a flat countersunk head and a popular aesthetically pleasing 2 hole internal drive. The Snake Eye® drive has 2 holes drilled into the head which requires a 2-pin matching driver to install and remove it. The two hole drive is designed for medium torque applications.The internal pig nose drive adds a level of security to these screws, as a standard drill bit cannot be inserted. These security screws must instead be paired with a security drill bit, resulting in a tamper-proof fastening. Click Here to view the installation video. These 2-Hole Countersunk Security Screws are made from A2 Stainless Steel which provides corrosion and oxidation resistance.For larger quantities or items not listed, please email sales@gwr-fasteners.co.uk and one of our team will provide you with a quotation. Read More Specifications Thread Diameter M5 Thread Pitch 0.8mm Head Diameter 9mm Length Including The Head 16mm Head Length 2.5mm Material Stainless Steel (A2) Drive Size T4 Fully Threaded Yes Removable Yes Brand HAFREN Security Level 1 - Entry Level Finish Natural Condition New Product Code A2-CSK2HOLE-M5-16 Customer reviews No reviews left yet Write A Review Most RecentTop Rated Specification Thread Diameter M5 Thread Pitch 0.8mm Head Diameter 9mm Length Including The Head 16mm Head Length 2.5mm Material Stainless Steel (A2) Drive Size T4 Fully Threaded Yes Removable Yes Brand HAFREN Security Level 1 - Entry Level Finish Natural Condition New Product Code A2-CSK2HOLE-M5-16 Description M5 x 16mm 2-Hole Countersunk Security Screws - A2 Stainless Steel2-Hole Countersunk Security Screws, also known as Snake Eye® or Pig Nose, feature a flat countersunk head and a popular aesthetically pleasing 2 hole internal drive. The Snake Eye® drive has 2 holes drilled into the head which requires a 2-pin matching driver to install and remove it. The two hole drive is designed for medium torque applications.The internal pig nose drive adds a level of security to these screws, as a standard drill bit cannot be inserted. These security screws must instead be paired with a security drill bit, resulting in a tamper-proof fastening. Click Here to view the installation video. These 2-Hole Countersunk Security Screws are made from A2 Stainless Steel which provides corrosion and oxidation resistance.For larger quantities or items not listed, please email sales@gwr-fasteners.co.uk and one of our team will provide you with a quotation. Reviews No reviews left yet Write A Review Most RecentTop Rated Delivery & Returns Customer Reviews M5 x 16mm 2-Hole Countersunk Security Screws - A2 Stainless Steel Out of stock Product Code A2-CSK2HOLE-M5-16 £0.80 Quantity Range Unit Price Unit Saving 1 - 4 £0.80 No Saving 5 - 9 £0.69 £0.11 10 - 24 £0.58 £0.22 25 - 49 £0.47 £0.33 50 - 99 £0.42 £0.38 100 - 249 £0.36 £0.44 250 - 499 £0.34 £0.46 500 - 999 £0.32 £0.48 1000 - 4999 £0.30 £0.50 5000+ £0.28 £0.52 Sorry this item is out of stock but can still be purchased. Login to add this product to your wishlist. You Will Earn 0 points which is the equivalent of £0.00 Often purchased with Item in Stock M5 / No.10 2-Hole Security Drill Bit 0 review(s) Add to cart Quickview Out of stock M5 / No.10 2-Hole Security Screwdriver 0 review(s) Add to cart Quickview