4-40 Set Screw For Rear Takedown Detent Spring - 1/8" Long - SS

4-40 Set Screw For Rear Takedown Detent Spring - 1/8" Long - SS For use with lower receivers that have a 4-40 threaded rear takedown detent spring hole. Note: You may need to snip 1/8" off the detent spring to prevent excess pressure between the detent and the rear takedown pin. Specifications: Material: 18-8 Stainless Steel Thread Size: 4-40 Length: 1/8" Drive Size: 0.050" Screw Size Decimal Equivalent: 0.112" Hardness: Rockwell B80 Specificcations Met: ASME B18.3 Thread Type: UNC Thread Spacing: Coarse Thread Fit: Class 3A Thread Direction: Right Hand Drive Style: Hex Tip Type: Flat