Dirt Detective Posted April 18, 2016 Author Share #26 Posted April 18, 2016 I believe this crate with the phillip head screws to be 100% original WWII production. The one crate posted in post #24 looks to be the same manufacture as post #20 and it also has Phillips. I dont think there is enough known about crate manufacturing during WWII to say one way or the other. Link to comment Share on other sites More sharing options...
oldabewla Posted April 18, 2016 Share #27 Posted April 18, 2016 I read up on the Phillips screw they were typically used in a high torque application and the patient to use was applied for in 1940 from the screw manufacturer's I've found Vietnam ammo crates open and re-inspected in the 1980s and 90s and same could had happen in the 1950s the lost, lose missing screws could well beens replaced in the crates when re-inspected with Phillips because the slotted you can't get the torque on them as good? More research? Link to comment Share on other sites More sharing options...
Quest Master Posted April 19, 2016 Share #28 Posted April 19, 2016 Ahhhh.....the Philips Screw discussion. What you you have there Dirt Detective is not a Philips Screw head. Let me explain: while true, the development of the Phillips style screw head was made prior to WWII, wide spread use was not integrated into military production until after WWII. The Frearson screw drive, also known as the Reed and Prince screw, is similar to a Phillips, but the Frearson has a more pointed 75° V shape. Most mis-identify the "X" screw head in 1940s military items as a Phillips, but it is actually a Reed and Prince....and 100% correct. Link to comment Share on other sites More sharing options...
Chris_B Posted April 19, 2016 Share #29 Posted April 19, 2016 Hey Guys, Thought you would like to see this grenade crate I just got. I already did a post at new acquisition's. so will keep these pics. Check out the thread..hope you like. http://www.usmilitariaforum.com/forums/index.php?/topic/204147-rare-mkii-grenade-crate-with-all-canisters/ box1.JPG I would not call that "super" I would call it "Super-Duper". I've never even seen a photo that looks that good. Link to comment Share on other sites More sharing options...
Rifleman Posted April 20, 2016 Share #30 Posted April 20, 2016 Great information Quest Master,thanks. Link to comment Share on other sites More sharing options...
Dirt Detective Posted April 20, 2016 Author Share #31 Posted April 20, 2016 Ahhhh.....the Philips Screw discussion. What you you have there Dirt Detective is not a Philips Screw head. Let me explain: while true, the development of the Phillips style screw head was made prior to WWII, wide spread use was not integrated into military production until after WWII. The Frearson screw drive, also known as the Reed and Prince screw, is similar to a Phillips, but the Frearson has a more pointed 75° V shape. Most mis-identify the "X" screw head in 1940s military items as a Phillips, but it is actually a Reed and Prince....and 100% correct. Yes..fantastic info...was no doubt in my mind this last box was 100% orig. Link to comment Share on other sites More sharing options...
Quest Master Posted April 20, 2016 Share #32 Posted April 20, 2016 My pleasure. Happy to assist. Link to comment Share on other sites More sharing options...
Dirt Detective Posted June 28, 2020 Author Share #33 Posted June 28, 2020 I found something interesting on an original old WWII practice mine crate...this crate had both reed and prince and slot screws on the same box. A couple pics to show reed & prince were used in WWII. Link to comment Share on other sites More sharing options...
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