Wiha Tools USA - selling Wiha made hand tools in the United States since 1985

HSS 1/4" Drive 90° Countersink 8.3mm

Titles and descriptions supersede the photo. We typically use the same image for different sizes of tools.

HSS 1/4" Drive 90° Countersink 8.3 x 35mm for M4/2.0mm
SKU: 78617

Frequently bought together


Standard 1/4" Hex Drive Shanks
High Speed Tools Steel Production Quality
Machined from Solid HSS Bar Stock
Counter Sinks Ground With Radial Relief
Machined on 1/4 Hex Drive

Additional Info

SKU 78617
Weight (lbs) 0.0500
Packaging Clamshell
California Residents Click for Proposition 65 warning
Head Type countersink
Material Impact resistant modified chrome-vanadium-molybdenum, tool steel, hardened
UPC 084705786179
UNSPSC 27112812
Bit Drive Size 1/4" Hex
ISO Standard Size C6.3
Machine Hardness HRC 59-61