{"title":"Drill Stops","description":"\u003cp\u003eSpring loaded drill stops for sheet metal work. Slide one onto the bit, set the depth with the hex socket set screw, and the bit cannot go deeper than you set it. The rounded nose keeps the chuck off the skin and the spring cushions the breakthrough, which is what saves small bits from snapping.\u003c\/p\u003e\u003cp\u003eSizes cover the standard aircraft rivet and cleco drills, #40, #30, #21 and #10, plus #20 for 5\/32\" blind rivets and 1\/4\" and 5\/16\" for bolt holes. Springs are colour coded to the matching cleco size: zinc for 3\/32\", copper for 1\/8\" and 1\/4\", black for 5\/32\" and brass for 3\/16\".\u003c\/p\u003e","products":[{"product_id":"drill-stop-40","title":"Drill Stop #40 (3\/32\") - Spring Loaded Depth Stop for Sheet Metal Drilling, Zinc","description":"\u003cp\u003eThis drill stop fits #40 drill bits (0.098\" \/ 2.49 mm), the standard drill for 3\/32\" rivets and 3\/32\" clecos. The zinc (silver) spring matches the colour of our \u003ca href=\"\/id-id\/products\/3-32-cleco\"\u003e3\/32\" C Series clecos\u003c\/a\u003e, so the right stop is easy to pick out of the tray.\u003c\/p\u003e\u003cp\u003eA drill stop is a spring loaded depth stop that locks onto the shank of the bit with a hex socket set screw. Only the length of drill you leave exposed can enter the work, so the bit cannot go any deeper than you set it. As you reach depth, the rounded steel nose settles on the panel and the coil spring takes the lunge out of the breakthrough, instead of letting the chuck slam into the skin.\u003c\/p\u003e\u003cp\u003eThat matters most on a #40. It is the thinnest bit most builders use, and the moment it punches through and grabs is when it snaps. A stop keeps the plunge under control, keeps chuck marks and dents off the skin, and keeps the bit out of whatever sits behind the panel, whether that is a control cable, a wiring loom or the far wall of a fuel tank.\u003c\/p\u003e","brand":"Pilot Gear","offers":[{"title":"Default Title","offer_id":45872017113197,"sku":"CDS-40","price":3.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/2041\/4573\/files\/CDS-40.webp?v=1789635976"},{"product_id":"drill-stop-30","title":"Drill Stop #30 (1\/8\") - Spring Loaded Depth Stop for Sheet Metal Drilling, Copper","description":"\u003cp\u003eThis drill stop fits #30 drill bits (0.1285\" \/ 3.26 mm), the standard drill for 1\/8\" rivets and 1\/8\" clecos. If you only buy one drill stop, make it this one: #30 is the hole you drill more of than any other on an aluminium airframe. The copper spring matches the colour of our \u003ca href=\"\/id-id\/products\/1-8-cleco\"\u003e1\/8\" C Series clecos\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eA drill stop is a spring loaded depth stop that locks onto the shank of the bit with a hex socket set screw. Only the length of drill you leave exposed can enter the work, so the bit cannot go any deeper than you set it. As you reach depth, the rounded steel nose settles on the panel and the coil spring takes the lunge out of the breakthrough, instead of letting the chuck slam into the skin.\u003c\/p\u003e\u003cp\u003eWhen you are drilling a few hundred #30 holes in a session, the stop pays for itself the first time it keeps the chuck off a freshly primed skin, or stops the bit short of a cable run, a wiring loom or the far side of a tank. It also takes the snatch out of the breakthrough that breaks bits and leaves ragged holes.\u003c\/p\u003e","brand":"Pilot Gear","offers":[{"title":"Default Title","offer_id":45872043491437,"sku":"CDS-30","price":3.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/2041\/4573\/files\/CDS-30-83682607469.webp?v=1789646483"},{"product_id":"drill-stop-21","title":"Drill Stop #21 (5\/32\") - Spring Loaded Depth Stop for Sheet Metal Drilling, Black","description":"\u003cp\u003eThis drill stop fits #21 drill bits (0.159\" \/ 4.04 mm), the standard drill for 5\/32\" solid rivets and 5\/32\" clecos, and the tap drill for 10-32 threads. The black spring matches the colour of our \u003ca href=\"\/id-id\/products\/5-32-cleco\"\u003e5\/32\" C Series clecos\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eA drill stop is a spring loaded depth stop that locks onto the shank of the bit with a hex socket set screw. Only the length of drill you leave exposed can enter the work, so the bit cannot go any deeper than you set it. As you reach depth, the rounded steel nose settles on the panel and the coil spring takes the lunge out of the breakthrough, instead of letting the chuck slam into the skin.\u003c\/p\u003e\u003cp\u003e5\/32\" holes usually mean heavier structure: spar caps, fittings and thicker stacks where the point of the bit is buried and you are drilling by feel. The stop puts a hard limit on depth so the bit stops where you want it, and the spring soaks up the breakthrough so the chuck never reaches the surface.\u003c\/p\u003e\u003cp\u003eDrilling for 5\/32\" blind rivets? CherryMAX and pop rivets in that size call for a #20 hole, so use the \u003ca href=\"\/id-id\/products\/drill-stop-20\"\u003e#20 drill stop\u003c\/a\u003e instead.\u003c\/p\u003e","brand":"Pilot Gear","offers":[{"title":"Default Title","offer_id":45872059547757,"sku":"CDS-21","price":3.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/2041\/4573\/files\/CDS-21.webp?v=1789636078"},{"product_id":"drill-stop-20","title":"Drill Stop #20 - Spring Loaded Depth Stop for Sheet Metal Drilling, Zinc","description":"\u003cp\u003eThis drill stop fits #20 drill bits (0.161\" \/ 4.09 mm). #20 is the specified drill for 5\/32\" blind rivets, including CherryMAX -5 and 5\/32\" pop rivets, which call for a 0.160\" to 0.164\" hole. It is also the larger of the two accepted drills for 5\/32\" solid rivets (the other is #21), and 5\/32\" clecos fit either hole. The spring is zinc (silver).\u003c\/p\u003e\u003cp\u003eA drill stop is a spring loaded depth stop that locks onto the shank of the bit with a hex socket set screw. Only the length of drill you leave exposed can enter the work, so the bit cannot go any deeper than you set it. As you reach depth, the rounded steel nose settles on the panel and the coil spring takes the lunge out of the breakthrough, instead of letting the chuck slam into the skin.\u003c\/p\u003e\u003cp\u003eBlind rivets go where you cannot reach the back of the job, which is exactly where you least want a bit running on into something you cannot see. Set the stop for the stack you are drilling and the bit cannot go any further, and the spring soaks up the breakthrough so the chuck never reaches the surface.\u003c\/p\u003e\u003cp\u003eDrilling 5\/32\" solid rivet holes with a #21? Use the \u003ca href=\"\/id-id\/products\/drill-stop-21\"\u003e#21 drill stop\u003c\/a\u003e, colour matched to 5\/32\" clecos.\u003c\/p\u003e","brand":"Pilot Gear","offers":[{"title":"Default Title","offer_id":45872071540845,"sku":"CDS-20","price":5.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/2041\/4573\/files\/CDS-20.webp?v=1789636112"},{"product_id":"drill-stop-10","title":"Drill Stop #10 (3\/16\") - Spring Loaded Depth Stop for Sheet Metal Drilling, Brass","description":"\u003cp\u003eThis drill stop fits #10 drill bits (0.1935\" \/ 4.91 mm), the standard drill for 3\/16\" clecos and AN3 bolt holes and a common choice for 3\/16\" rivets. The brass spring matches the colour of our \u003ca href=\"\/id-id\/products\/3-16-cleco\"\u003e3\/16\" C Series clecos\u003c\/a\u003e, and it is the only brass stop in the range.\u003c\/p\u003e\u003cp\u003eA drill stop is a spring loaded depth stop that locks onto the shank of the bit with a hex socket set screw. Only the length of drill you leave exposed can enter the work, so the bit cannot go any deeper than you set it. As you reach depth, the rounded steel nose settles on the panel and the coil spring takes the lunge out of the breakthrough, instead of letting the chuck slam into the skin.\u003c\/p\u003e\u003cp\u003eAt 3\/16\" you are usually drilling for bolts or the biggest rivets on the aircraft, often through fittings thick enough that you cannot see the point of the bit. A hard depth limit is worth having when the other side of the hole is a hydraulic line, a fuel bay or a finished skin.\u003c\/p\u003e","brand":"Pilot Gear","offers":[{"title":"Default Title","offer_id":45872082387053,"sku":"CDS-10","price":3.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/2041\/4573\/files\/CDS-10.webp?v=1789636142"},{"product_id":"drill-stop-1-4","title":"Drill Stop 1\/4\" - Spring Loaded Depth Stop for Sheet Metal Drilling, Copper","description":"\u003cp\u003eThis drill stop fits 1\/4\" drill bits (0.250\" \/ 6.35 mm), the drill for 1\/4\" clecos, AN4 bolt holes and 1\/4\" hardware. The copper spring matches the colour of our \u003ca href=\"\/id-id\/products\/cleco-standard-grip-c-fastener-1-4-diameter\"\u003e1\/4\" C Series clecos\u003c\/a\u003e. As with clecos, 1\/4\" and 1\/8\" share the copper code; the bores are so different there is no confusing the two. At about 60 mm long it wants a jobber length bit rather than a stubby.\u003c\/p\u003e\u003cp\u003eA drill stop is a spring loaded depth stop that locks onto the shank of the bit with a hex socket set screw. Only the length of drill you leave exposed can enter the work, so the bit cannot go any deeper than you set it. As you reach depth, the rounded steel nose settles on the panel and the coil spring takes the lunge out of the breakthrough, instead of letting the chuck slam into the skin.\u003c\/p\u003e\u003cp\u003eA 1\/4\" bit in a big drill breaks through hard, and the chuck arrives a moment later. The stop puts a hard limit on depth so the bit stops where you set it, and the spring absorbs the breakthrough so the chuck never touches the work. Handy on bolt holes through fittings where the far side is a fuel bay, a line or a finished surface.\u003c\/p\u003e","brand":"Pilot Gear","offers":[{"title":"Default Title","offer_id":45872094609517,"sku":"CDS-1\/4","price":3.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/2041\/4573\/files\/CDS-1-4.webp?v=1789636174"},{"product_id":"drill-stop-5-16","title":"Drill Stop 5\/16\" - Spring Loaded Depth Stop for Sheet Metal Drilling, Copper","description":"\u003cp\u003eThe largest drill stop in the range fits 5\/16\" drill bits (0.3125\" \/ 7.94 mm), the drill for AN5 bolt holes, 5\/16\" hardware and bushings. The spring is copper, and at about 60 mm long it wants a jobber length bit rather than a stubby.\u003c\/p\u003e\u003cp\u003eA drill stop is a spring loaded depth stop that locks onto the shank of the bit with a hex socket set screw. Only the length of drill you leave exposed can enter the work, so the bit cannot go any deeper than you set it. As you reach depth, the rounded steel nose settles on the panel and the coil spring takes the lunge out of the breakthrough, instead of letting the chuck slam into the skin.\u003c\/p\u003e\u003cp\u003eBig bits on big drills give the hardest breakthrough of all, and a chuck landing on a panel at 5\/16\" leaves a mark you will not polish out. The stop puts a hard limit on depth so the bit stops where you set it, and the spring absorbs the breakthrough so the chuck never touches the work. Worth having on any bolt hole where the far side is a line, a tank or a finished surface.\u003c\/p\u003e","brand":"Pilot Gear","offers":[{"title":"Default Title","offer_id":45872108961901,"sku":"CDS-5\/16","price":3.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/2041\/4573\/files\/CDS-5-16.webp?v=1789636205"}],"url":"https:\/\/www.pilotgear.com.au\/id-id\/collections\/drill-stops.oembed","provider":"Pilot Gear","version":"1.0","type":"link"}